A bigger second attempt

Ring One 2.0 builds on the same basic idea as its predecessor. Muse wants to make a smart ring that does more than monitor sleep, activity and recovery.

According to the company’s Ring One 2.0 launch page, the new model will track sleep, exercise, mindfulness and general wellness while adding cuffless blood-pressure readings, AFib detection, sleep-apnea detection and vascular-health insights. Muse also claims six to seven days of battery life, with the charging case extending total use to around one month.

The company is placing greater emphasis on software this time. New AI applets are there to target specific goals such as sleep, recovery, fasting, metabolic health, weight management and mental wellbeing.

Muse is also keeping Ring One’s wider digital ambitions. Ring One 2.0 is being promoted as a contactless payment device, a key for compatible Tesla vehicles and smart doors, and a tool for passwordless authentication. There will be no mandatory subscription.

It is an impressive list. The question is how much of it will work at launch, where each feature will be available and whether health functions such as AFib and sleep-apnea detection will carry the necessary regulatory clearances in different markets.

The first Ring One took a difficult route

Let’s look back.

Muse launched the original Ring One campaign on Indiegogo in late 2023. It raised close to $1.7 million from more than 7,500 backers, helped by a feature list that included blood-pressure readings, contactless payments, haptic feedback and a rotating outer control.

Delivery was initially expected a few months later. Instead, the campaign slipped through a long series of revised production and shipping schedules, with many international backers waiting well into 2025 before receiving anything.

As we reported when Ring One began shipping internationally, the finished device also differed from the original pitch. There were no blood pressure readings, rotating control disappeared, payments were not ready for most owners and several software features remained under development.

Muse later activated on-demand blood-pressure readings. Even so, availability is not the same as validation. The company has not yet published enough independent evidence to establish how closely its cuffless blood-pressure estimates compare with a validated upper-arm monitor across a broad population.

Current owners are not uniformly happy

The response on social media to the Ring One 2.0 announcement has been noticeably sceptical. Recent comments include original backers asking about undelivered orders, outstanding refunds and replacements for failed first-generation hardware.

Charging cases appear to be a recurring source of frustration. Several owners say their cases stopped charging the ring after a relatively short period, while others report waiting months for redesigned replacements. There are also complaints about overheating, cracked internal resin, pairing failures and inconsistent syncing.

Payments remain another weak spot. Muse has introduced payment support in some markets, but recent owner discussions suggest that card enrolment and transaction support still vary considerably by country and provider.

Of course, not every report is negative. Some owners say they like the ring’s sleep data and general health tracking. And in fairness, Muse has also continued issuing app and firmware updates rather than abandoning the original device.

Muse still has something to prove

Ring One 2.0 could fix some of the original model’s biggest weaknesses. Muse says it has improved the design, with better build quality, a redesigned charging case and more polished software all on the list.

But after everything that happened with the first Ring One, it is worth keeping the usual crowdfunding caveats in mind. Backing an Indiegogo campaign is not the same as buying a finished product from a shop. Shipping can slip, features can change and your money is at risk if the project does not deliver.

Muse has already opened a reservation page offering early supporters discounts of up to 50%. Final pricing, delivery estimates and the full specifications are still under wraps, so we should know a lot more when the campaign goes live on August 4.

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When we covered the campaign in May, the appeal was clear. The Kickstarter route put Ring PRO at $299 for early backers, well below the $479 store bundle, although it came with the smaller Mini Charger rather than the fuller PRO Charging Case.

But production appears to have hit a few snags. Ultrahuman’s own store also now shows Ring PRO shipping from mid August, so it is not a Kickstarter-only delay.

What the update actually says

The latest message, sent to backers as Project Update number four, thanks people for their continued support and lays out the new timeline in plain terms. Shipments are now expected to begin from August 10th.

Ultrahuman frames the slip as a quality control issue rather than a supply problem. The update says the company is taking extra care as it scales production. Each ring is being individually finished and checked before it leaves the line, and this process is taking longer than planned.

It closes with a note that the backer survey used to collect shipping details has already gone out. Anyone who has not received it is asked to get in touch directly.

Worth remembering before getting too frustrated

Crowded projects often run into delays. Everyone would probably agree, it is better than rushing out a smart ring with charging issues, sensor problems or inconsistent battery life.

And none of this means the ring will not arrive. Ultrahuman has shipped Kickstarter hardware before with the original Ring and Ring Air. The company’s language around quality checks during scaling is a common explanation in wearable manufacturing. Titanium unibody builds with a cut away safety feature like ProRelease are not the easiest components to mass produce quickly without defects.

But, while a single delay is easy enough to shrug off, once the shipping date moves more than once – backers are naturally going to start comparing notes. Predictably, the community reacted swiftly to this latest postponement on social media platforms like Reddit, expressing frustration.

We still don’t doubt the Ring PRO will ship soon, especially now that both Kickstarter and the regular store point to August. For now, anyone still waiting should keep an eye on their inbox for the backer survey, as that looks like the next step before orders actually start moving.

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EnergyLink Gen 2 is a new Kickstarter project built around a simple idea: put an Apple Watch charger inside the band, so the cable is no longer the thing you forget. The second-generation version promises 4.8W charging, a slimmer module, a more secure strap design and September 2026 shipping for backers.

Charging built into the band

Apple Watch battery life has improved over the years, but it still has one awkward habit. You need to think about charging it, especially if you use sleep tracking, workouts, navigation, cellular features or long days away from a desk.

EnergyLink Gen 2 tries to solve that from the strap itself. Instead of carrying a separate Apple Watch puck, the band has a hidden magnetic wireless charger built into the design. Fold the band into position, align the charging area with the back of the watch and connect the band through USB-C.

What’s important to note – the band does not appear to carry a large battery inside the strap itself. Instead, it turns the strap into the charging interface, using a universal USB-C input so you can power the watch from a wall charger, laptop, phone charger or power bank.

The pitch is aimed at people who do not want to carry another proprietary Apple Watch cable. It also makes sense for travel, gym bags and long work days, where a standard USB-C cable is usually easier to find than an Apple Watch charger.

Faster than the first version

The Gen 2 model claims 4.8W rapid charging, which the creator says makes it 30% faster than the original EnergyLink. For Apple Watch Series 10, the campaign says the band can take the watch from 20% to 80% in around 38 minutes.

This means a short top-up before a run, flight or night of sleep tracking could be enough to avoid the usual low-battery scramble. It is not trying to turn the Apple Watch into a multi-day device, but it could reduce the number of times you have to think about the charger.

The creator also says the charging module has been reduced by 30%, which should make the strap less bulky than the first version. That detail is important because on-wrist charging accessories often run into the same problem. They solve battery anxiety, but then add bulk or stiffness to a device people wear all day.

EnergyLink Gen 2 also comes with a 5000mAh charging power bank and storage case. That gives the whole setup a second use case, because the case can act as a travel dock and external power source when the band itself needs to be stored or topped up.

Standard and titanium versions

EnergyLink Gen 2 comes in standard and titanium editions. The standard model uses stainless steel hardware, while the higher-tier titanium version upgrades the metal parts to Grade 5 titanium.

There’s a dual-locking system onboard that combines a magnetic quick-release buckle with a reinforced Velcro strap. The idea is to keep the convenience of a magnetic closure while adding a more secure backup during workouts.

Colour choices include Lunar Ash and Terra Coffee. The strap also comes in two connector sizes, covering smaller Apple Watch models and larger 44mm to 49mm cases. The whole thing supports Apple Watch Series 1 to 10, SE and Ultra models.

A neat idea with the usual Kickstarter caveats

EnergyLink Gen 2 is already in pre-production, according to the campaign. The creator says mass production will begin after the campaign ends, with shipping scheduled for September 2026.

The original EnergyLink achieved a 100% fulfilment rate and reached more than 2,000 backers. That helps, because hardware Kickstarter projects always carry extra risk. Even so, rewards are not guaranteed in the same way as buying a finished product from a shop.

Price: $49 and up

Raised: $46,800 of $4,000 goal

Estimated delivery: September 2026
28 days to go before campaign closes

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CYPLORE is trying to solve one of the biggest problems with e-bike conversion kits. It adds electric assist to existing road and gravel bikes while keeping the weight down.

The project has just launched on Kickstarter with prices starting around $599 for the FLEX version and $779 for the ready-to-ride ONE wheel setup. The pitch is simple enough. Give riders extra help on climbs and long rides without turning a lightweight carbon bike into something that suddenly feels heavy and awkward.

A very different kind of e-bike conversion

Most conversion kits end up changing the personality of the bike. You usually get a bulky mid-drive motor, a large external battery and extra weight that changes handling even when the system is switched off.

CYPLORE is clearly trying to avoid that. The motor sits inside the rear hub while the battery disguises itself as a bottle mounted in the standard cage position. There is also a small wireless remote that docks neatly onto the setup. From a distance, the bike still looks mostly normal.

That low profile approach is probably the most interesting thing here. Plenty of cyclists still resist full e-bikes because they either dislike the added mass or simply do not want their expensive road bike turning into something visually cluttered. CYPLORE seems aimed directly at those riders.

The quoted 1.7kg total system weight is also unusually low for this category. That includes both the motor and battery. The battery itself weighs roughly 800g and delivers a claimed 50km assisted range from its 111Wh capacity. USB-C charging is supported and the company says a full recharge takes around an hour.

The ride feel will decide whether this works

CYPLORE says the system uses a torque sensor that adjusts assistance based on pedalling effort in real time. Push harder and the support increases. Ease off and the motor backs away. The company also says the built-in clutch fully disengages the motor when assistance is not active, removing drag resistance from the wheel.

That last part is important because some lightweight hub systems still feel slightly sticky when riding without power. Road cyclists tend to notice those things immediately. If CYPLORE has genuinely managed a near invisible ride feel, that could end up being the real selling point rather than outright speed or power.

The system is rated at 250W and targets modern road and gravel bikes using 142x12mm thru-axles. Compatibility includes most Shimano and SRAM drivetrains.

Two versions depending on how much flexibility you want

The ONE version is the simpler option. It arrives as a complete rear wheel with the motor already built in. Riders swap out their existing rear wheel, attach the bottle battery and ride away within a few minutes.

FLEX takes a different approach. Instead of a complete wheel, buyers receive the hub motor and build it into their own preferred wheel setup. That will probably appeal more to experienced cyclists who already have favourite rims or very specific wheel configurations.

CYPLORE also splits its setups into road and gravel variants. The road rims support 25 to 32c tyres while the gravel option stretches from 32 to 55c.

There is app connectivity too. The system connects to cycling computers over ANT+ and syncs activities to Strava through the CYPLORE app. Riders can monitor battery levels, switch assist modes and view ride history from the app itself.

A familiar Kickstarter balancing act

Like many cycling hardware projects, CYPLORE sits somewhere between exciting concept and wait-and-see territory.

The company says it already has working prototypes and has completed performance testing. It also claims the founding team includes engineers and former staff from Samsung, Xiaomi, Alibaba and e-bike system companies.

Still, Kickstarter hardware campaigns always carry some uncertainty. Manufacturing delays, supply chain problems and shifting timelines remain common across the category. CYPLORE currently estimates deliveries for November 2026.

Price: $599 and up

Raised: $333,474 of $10,000 goal

Estimated delivery: November 2026
33 days to go before campaign closes

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The ring was introduced last year as a smart ring that goes beyond basic health tracking. Touch input and air gesture controls were presented as part of the core feature set, perhaps the main selling point. Alongside this you get the standard sleep and activity metrics.

Shipping is uneven but ongoing

The good news is, rings are now reaching backers. Not everyone yet, but enough that real usage is happening. People who have received the ring mostly agree on one thing. The hardware feels solid. Comfort and build quality are rarely criticised. The ring does not feel like a prototype or a rushed sample.

That matters because it clears the biggest risk for any crowdfunded wearable. The device exists, it is wearable, and it is usable on the finger.

Some backers have already received their rings. AIVELA says this covers the first shipping batch.

A second batch of rings has now been built. About half of the units made in that batch passed final checks and are ready to ship. The company says the rest were held back due to component quality issues and will not be sent out.

Shipping for this second batch is happening gradually. Tracking numbers are added later in the process, not when packages leave the factory, which is why some backers see delays or gaps in updates.

AIVELA says there are still around 5,000 rings left to make. Production is continuing, with new units planned to ship every week. Based on current estimates, most remaining backers should receive their rings between late February and March. Some orders, mainly certain size and colour combinations, may ship later, possibly into April.

Early user feedback

As far as software, the AIVELA app is now available on iOS and Android though availability depends on region. Some users report difficulty finding it in their local app store.

In use, the app feels early. Several backers report missing sleep or vitality data, syncing issues or problems saving profile information. AIVELA has responded with calibration steps and reset guidance. This does not point to a broken platform, but it does show that the software is still settling.

Touch input and air gestures were central to the Ring Pro pitch, and this is where feedback is most uncertain. Touch controls work but feel too sensitive for some users. Air gestures exist, but several backers say they are not yet intuitive or clearly integrated into daily use.

These features are present, but they do not yet feel fully realised. That gap is noticeable because of how prominently they were marketed.

Battery life feedback is mixed. Some users report shorter endurance than expected, particularly with smaller ring sizes. Others have not raised concerns. There is not enough consistency yet to call this a design issue, but it remains an open question.

Our takeaway

At this stage, AIVELA Ring Pro has cleared the hardest hurdle. It shipped. People are wearing it. Hardware quality is not the problem. The open question is software polish and whether the more ambitious interaction features mature quickly enough to meet expectations.

Right now, it looks like an early-stage product that is functioning, improving and still being figured out in public. Whether it becomes a clear success depends on what the next few software updates deliver.

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A tennis bag that trains with you

The core idea behind the Nisplay Y1 is to reduce the hassle of setting up a ball machine. It combines gear storage and training functionality into a single compact unit. There’s no need to lug around multiple pieces of equipment or find a separate power source on the court. Instead, players can unzip the bag, turn it on and start hitting. Nisplay says the transition from bag to ball launch takes only seconds.

The outer build uses soft-touch vegan leather with quality zippers and fastenings, along with an ergonomic back panel and padded straps. The look is intentionally clean, avoiding the bulky industrial design of traditional ball machines. There are also magnetic modular attachments for extras like bottles, towels and rackets.

Training features with a focus on flexibility

Inside the Y1 is a dual-wheel launcher designed to produce topspin, backspin and flat shots. You can choose between pre-set drills that target different skills, or you can manually configure your own. The system supports up to 15 court target zones, with shot combinations adjustable to suit everything from basic consistency work to more intense rally simulation.

An interesting feature is the so-called Ball Boy mode. It offers one-shot-at-a-time delivery for serve practice or recovery drills, letting users control the pace more naturally. You can switch modes using the included controller, through a smartphone app or even via Apple Watch or voice command. The whole setup is built to be used solo, without needing to walk back and forth to tweak settings.

More than just tennis

Nisplay is positioning the Y1 as a multi-sport device. While it’s launching with tennis as the main focus, there are plans to support padel and pickleball too. Players in those communities often face the same challenges: inconsistent practice partners and limited access to training equipment. A portable launcher that fits in with standard gear bags could help bridge that gap.

There’s also a custom 58-inch mini racket accessory being offered. It’s meant for precision and control training, pushing users to move more deliberately and sharpen footwork. It’s optional, but it ties in with the broader goal of making practice sessions more engaging and dynamic.

Kickstarter coming soon

Now, this sounds very much along the lines of the Slinger Bag which we reviewed a few years ago. But something that is smaller in size. More recently we reviewed PongBot Pace S Pro – that one doesn’t look like a tennis bag but is one of the most feature-packed tennis robots you can purchase today.

The Y1 isn’t out yet, but early backers can place a refundable deposit to lock in a lower launch price. Nisplay lists the VIP tier at $499, compared to a future MSRP of $1,199. Actual payment only happens once the Kickstarter campaign goes live and hits its funding target.

This also isn’t Nisplay’s first rodeo. Their earlier L1 ball machine launched on Kickstarter back in 2022 and raised over $1 million from more than 2,000 backers. That model leaned more toward a compact traditional launcher, but it showed the company could deliver on crowdfunding promises.

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Why this lamp doesn’t need to touch you

Unlike smartwatches or rings, Sleepal’s system doesn’t rely on physical contact. You can leave your wearable charging or skip it entirely. The lamp sits by your bed and picks up on your body’s subtle signals throughout the night. That includes heart rate, respiratory rate, body movement and sleep stage transitions. It also tracks snoring, which can be useful for identifying interruptions in breathing or disturbances you may not be aware of.

The tech powering it uses millimeter-wave radar or ultra-wideband sensors to detect micromovements, even under heavy blankets. This approach avoids common accuracy issues in app-based microphone solutions that rely on where the phone is placed, or how much battery it has left.

Privacy is a key part of the pitch. According to the website, data processing happens locally, not in the cloud. That makes it less vulnerable to leaks and avoids sending raw biometric data over the internet.

The AI engine and app experience

Sleepal isn’t just tracking your breathing and movement. Behind the scenes, it’s running your data through a bunch of AI models that were trained on thousands of proper sleep studies. That gives it a decent shot at figuring out whether you’re in REM, deep or light sleep without needing anything strapped to your body.

The app then pulls all of that into a simple sleep score and breaks down your night in graphs and trends. There’s also an assistant built in that nudges you with suggestions, like dimming the lights earlier or shifting your bedtime based on how things have been going.

Beyond tracking, it functions as a lamp

The really nifty things about this is that it doubles as a room light with circadian-friendly controls. Expect sunrise simulations in the morning and warm lighting in the evening. There’s also a full-colour touchscreen dial with smooth dimming for manual control. Early images show a modern, cylindrical form that fits neatly on a nightstand.

Internally, it packs a surprising number of sensors. Acoustic analysis detects snoring and ambient noise. Thermal sensors help with body pose awareness. Radar-based modules pick up heart rhythm, breathing patterns and even presence sensing. It also monitors the room itself. This includes keeping tabs on temperature, humidity and light exposure to better understand how your environment affects sleep quality.

Designed to simplify the routine

This sounds a bit like some products we have reviewed in the last few years. One of these is SleepScore S+. Like Sleepal Ai Lamp, it uses radio waves to pick up on your breathing and body movement from a distance. It works a bit like echolocation, sensing what’s happening without touching you or the bed.

One of the biggest appeals to this kind of tech is convenience. The Sleepal lamp begins monitoring the moment you lie down, with nothing to wear, charge or sync. For people sensitive to wristbands or rings, it’s a way to get detailedsleep insights without a smartwatch or any other fitness gear.

The product is still in its pre-launch phase, with a Kickstarter campaign planned. You can sign up on the official site to reserve a launch discount. For those in Las Vegas, the device will be demoed at CES 2026 – where it has picked up a Honoree award in the Accessibility & Longevity, Smart Home and Digital Health categories.

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I’ve been testing an early unit that’s close to final in both design and performance. I must say it’s unlike anything I’ve used before – a different kind of recovery tool. What follows are my impressions after several weeks of use.

One minute review

The Ultriix S1 offers something different from the usual recovery tools. It doesn’t punch or pulse or vibrate on the surface. Instead, it uses therapeutic ultrasound to work below the skin in a much quieter, more focused way. If you’re looking for instant impact, this probably won’t feel like much. But if you want something low effort that can slot into a regular routine, it starts to make sense.

I’ve been using a near-final unit for a few weeks. It works exactly as described, and I can confirm the hardware feels close to finished. That said, I wouldn’t say my muscles feel drastically different. This isn’t something you use once and feel transformed. It’s more about consistency, and a few weeks is simply too short to judge long-term results. That said, I did feel immediate relief when using it on my tennis elbow, which made it easier to get back to training.

What the machine offers is convenience. One button, clear lights, no learning curve. You apply gel, press it to the skin, and let it run. Being cordless means you’re not tied to a socket, which makes it much easier to use on the fly.

Right now it’s available through the crowdfunding campaign. Early bird pricing starts at $89, while those who signed up ahead of launch can access a $79 tier. That feels very reasonable, considering the build and functionality. And it is also much lower than the $199 it will sell at when it hits general retail. Shipping is scheduled to begin in late February 2026.

The gadget is not aiming to replace clinical equipment, but it goes further than many basic consumer models, both in design and power output. Ultriix S1 won’t be for everyone. But if you’re dealing with post-workout soreness or daily stiffness, it might be the kind of tool that quietly earns a permanent spot in your recovery kit.

Disclaimer: This article is based on personal use and should not be considered medical advice. The Ultriix S1 is a consumer device and not intended to diagnose, treat,or prevent any medical condition. Always consult with a qualified healthcare professional before starting any new therapy, especially if you have existing injuries, implants or health conditions. 

Design, hardware

For disclosure – I received an early test unit for this review. It’s close to final in both hardware and function. This review is not sponsored, and there are no affiliate links. With that out of the way, let’s get into it.

Out of the box, the Ultriix S1 Tissue Shocker looks more like a large flashlight than a medical device. It’s not heavy, definitely light enough to throw into a gym bag. The finish on the unit is clean, though the sample I received has a bit of a sharp edge near the base. According to the documentation, that’s something that’ll be smoothed out in the final version, so I haven’t held it against the build quality too much.

There’s only one button on the entire unit, and while that keeps things simple, it takes a moment to get used to how it works. You hold to power on, and then tap to cycle through the eight intensity levels. Four LED indicators on the front give you a rough idea of where you are, with flickering representing odd-numbered levels and solid lights for even ones. It’s a simple indicator and control system that works just fine.

In the hand, the thing is ergonomic enough. The handle is curved to sit comfortably in the palm, though I did notice it getting a little warm during longer use. Apparently that’s normal and down to internal components rather than the battery. I didn’t find it uncomfortable, but it’s something worth mentioning.

There’s no vibration and you can only hear a faint buzz when it’s active. That might throw some people off, especially if they’re coming from massage guns like I am. But if you place your other hand on the opposite side of your leg or arm, you can feel a gentle internal vibration and warmth building up. It’s subtle, but it’s there.

Visually, the device looks pretty decent. It is very portable and doesn’t look cheap either. It blends in well if you have massage guns or other fitness gear. Another device to add to your recovery arsenal.

Under the hood

The Ultriix S1 Tissue Shocker has a simple external design, but there’s clearly been some thought put into the internal layout. It uses a 1.1 MHz ceramic transducer, a common frequency in physical therapy designed for deeper tissue penetration. The energy is spread across a slightly wider surface area than many similar devices, which may help with coverage and consistency.

There are no moving parts or fans, and nothing mechanical aside from the physical button. That gives it a clean feel in use and helps explain why it’s so quiet when it operates.

A built-in temperature sensor monitors the head during use. If the surface temperature climbs to around 43 degrees Celsius, the system automatically reduces output to avoid overheating. The warmth comes from internal components rather than the probe.

Ultriix also includes a no-load detection feature that stops the device from transmitting if the probe is not touching the skin. This is designed to prevent misuse, and it seems to work exactly as intended.

During operation, after a while you might hear a faint ticking noise coming from the internals. This appears to come from the inductors on the circuit board. It’s a normal artifact of how the electronics regulate current and doesn’t affect performance. I rarely noticed it.

There are multiple safeguards in place. The system will cut output if the probe isn’t in contact with the skin, and it will throttle down automatically if surface temperature climbs too high. There’s also no manual frequency adjustment – everything runs at a fixed setting, which simplifies use but limits fine-tuning.

Battery life

The Ultriix S1 is fully cordless, which makes it easy to use wherever you are. There’s no need to stay tethered to a power socket, so you can take it to the gym, use it post-run at the park, or just keep it in your bag for whenever stiffness creeps in.

Power is handled by an internal battery setup that seems to hold up well for short, daily sessions. You don’t need to charge it after every use. I managed to get well over a week on a single charge, despite multiple daily 5 to 10 minute sessions.

It’s worth mentioning that the internal battery is not user-replaceable. But the unit includes a one-year warranty.

The four LEDs double as battery level indicators. When the device is idle or charging, they give you a rough sense of how much charge remains. It’s not ultra-precise, but it’s enough to avoid surprises. Fast charging is supported via USB-C, which helps if you’re topping it up in a rush. I actually haven’t had to think much about battery life during use, which is exactly how it should be for a recovery tool like this.

Tech specs

How it works

Now for the science lesson.

The Ultriix S1 uses therapeutic ultrasound to deliver energy beneath the surface of the skin. Inside the head of the device, a ceramic element produces high-frequency sound waves at 1.1 MHz. These waves travel through the skin and into deeper tissues, typically reaching between 3 and 6 centimetres below the surface. This allows it to target muscles and joints in a way that surface-level tools cannot.

Ultrasound therapy works through a combination of mechanical vibration, internal warmth, and microscopic pressure shifts. The sound waves create small movements in the tissue that can help stimulate repair processes. At the same time, they generate a warming effect in the deeper layers, which may support circulation and reduce stiffness. Furthermore, the pressure changes at the cellular level can improve fluid exchange – which plays a role in recovery.

For the energy to pass efficiently into the body, it needs a conductive medium. That’s where the gel comes in. Applied directly to the skin, the gel eliminates air between the probe and the body, allowing the ultrasound to move cleanly into the tissue. Without it, most of the energy would bounce off or lose strength before it reaches its target. So you can’t use the device without the gel.

Ultriix S1 feels different to other recovery tools. There’s no pulsing, no surface-level vibration, and no electrical stimulation. Instead, you get a quiet, gradual sensation – something like a soft internal buzz or warmth building up under the skin.

It feels very different from tools that vibrate or punch the surface. The sensation builds slowly – more of a gentle warmth and internal buzz than anything obvious. You might not notice much in the first minute or two, but it becomes more apparent the longer it’s applied.

What it’s like to use

The first time I tried Ultriix S1, I wasn’t sure it was working. But after a little while, I started to feel a soft, internal warmth and a slight buzzing sensation under the skin. It’s subtle, but it becomes more noticeable the longer you use it, especially if you press your other hand on the opposite side of the area you’re treating.

Operation is simple. You hold the button to turn it on, then tap to cycle through the eight intensity levels. The LED lights let you know roughly where you are in the range. One light flickering means the lowest level, and solid lights indicate the even-numbered steps. There’s no sound or haptic feedback, so you have to rely on the lights.

I used it mostly on my legs, after long runs or long periods sitting at a desk. It’s best with up to a few minutes per area. For larger muscles like the quads or hamstrings, I sometimes went a bit longer.

The head moves smoothly over the skin, as long as the gel is applied generously. I found that applying the gel directly to the skin was the easiest way to get even coverage. It spreads easily and wipes off without much effort. For best results, the makers suggest combining it with light massage or foam rolling beforehand.

I also used it regularly on my elbow, where I’ve had ongoing issues from tennis elbow. After just a few minutes of treatment, I could noticeably feel the pain drop off. The relief was temporary, but it made everyday tasks more manageable and kept the discomfort from escalating. I started with higher intensity levels but found them a bit too much, so I dropped to a mid-range setting, which felt more comfortable.

It should be noted that Ultriix doesn’t give the instant hit of a massage gun. But that’s part of its appeal. You’re not trying to force anything. You just sit still, move it gently and let it work. After a few days of use, I started to reach for it without really thinking about it, especially after tougher workouts.

And although I did feel immediate relief from tennis elbow, I can’t claim to have seen a drastic impact on muscle recovery just yet. A few weeks of testing isn’t enough to draw strong conclusions, and the effects are likely to be gradual rather than dramatic. To be fair, the same goes for massage guns. It’s hard to know how much of a difference they make unless you’re using them consistently for a long time. How much Ultriix actually helps is something that will take more time to figure out. But the underlying technology is well established.

Safety and caveats

Ultrasound therapy has been used in clinical settings for decades. It’s generally considered safe when used properly. The Ultriix S1 is designed with that in mind. It operates at a lower output than hospital-grade machines, but higher than many of the weaker handheld models.

As mentioned, there are two main features built in to prevent accidental misuse. First, the device includes temperature protection. Second, it has a no-contact sensor that disables the ultrasound output unless the probe is pressed directly against the skin. That stops it from running while idle or if held away from the body.

The sensation is subtle but the energy being delivered is real, and for that reason it’s important to follow a few basic usage rules. Areas with broken skin, recent injuries, or metal implants should be avoided. It shouldn’t be used over the heart, eyes, or head, or anywhere near electronic implants. Conditions like severe cardiovascular disease, fever, or uncontrolled diabetes are also listed as reasons to avoid use. For users recovering from surgeries or managing complex conditions like spinal stenosis, the company advises extra caution.

Ultrasound therapy isn’t meant to replace medical treatment, and this device isn’t for diagnosing or treating underlying conditions. But for general recovery – especially muscle tightness and joint discomfort – it’s a low-risk option when used on healthy tissue. The treatment is non-invasive, and the energy it delivers is absorbed by the body rather than causing irritation at the surface.

So far in testing, I haven’t noticed any unusual sensations or after-effects. The warming is gradual, and it never feels like the device is forcing anything.

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A new type of wearable has launched on Kickstarter. The Nuromova N1 is an EEG-based headband that tracks your mental state during training instead of just physical effort. It’s meant to give you a window into what your brain is doing while you work out.

This tracks your brain not your body

Most wearables track what the body is doing. Steps, heart rate, calories, sleep. Nuromova N1 flips the script. It puts the focus on what’s going on in your head. It’s designed for athletes who want to go beyond the physical and understand their mental game.

The star feature is a pair of Ag/AgCl EEG electrodes that sit over FP1 and FP2 positions on your forehead. These are backed by a reference and ground electrode, all built into a stretchy, washable headband. There are no lights, screens or distractions. It just wraps around your head and gets to work.

Inside the fabric, you’ll find a 6-axis IMU for movement sensing, and a linear haptic motor that vibrates in real time when your mental state changes. The idea is that the band doesn’t just track focus, fatigue, stress or emotional shifts – it actively notifies you when things start to slide. That feedback loop is central to what Nuromova is trying to do.

Battery life is short compared to a smartwatch. You’ll get between 6 and 8 hours depending on how often the haptics kick in. Charging happens via a magnetic pogo pin dock. It’s not wireless, but it’s simple enough.

AI is the real coach here

The device links to the Nuromova app over Bluetooth 5.0 and works with both iOS and Android. Once connected, it starts building a picture of your mental performance. You get a stream of metrics like Focus Index, Fatigue Index, Stress Index, Load, Effectiveness, Emotional state and Mental Toughness. These are tracked in real time and stored for review.

But the N1 doesn’t stop with just giving you the data. It tries to coach you based on what it sees. If you lose focus mid-drill, it might buzz you. After a session, it can offer personalised advice, flag mental dips, and even sync your brain data to a video timeline if you’re recording. That means you can watch yourself back and see the exact moment your stress levels spiked or your focus dropped. It also lets you take notes and auto-generate highlights with AI support.

It’s positioned as a tool for sports where mental sharpness matters. Tennis, basketball, high-intensity fitness, anything where focus and fast reactions count. Because it doesn’t wrap around your wrist or limit hand movement, it’s more suited to dynamic movement than most wrist-worn devices. The stretchable band weighs only 55 grams and has an IPX7 rating, so you can sweat all over it and throw it in the wash later.

Definitely not your average wearable

Nuromova is a newcomer. The company made its debut at WAIC 2025 and says it holds over 10 patents around the N1 and its software. The tech behind it is being marketed as a brain–computer interface for athletes. That’s ambitious, but also niche.

It’s not meant to replace your smartwatch or smart ring. It does things they simply can’t. No wrist-based device is reading EEG signals or buzzing when your stress level climbs mid-set. The real-time aspect is what sets it apart, along with the in-app coaching and video syncing.

That said, it’s early days. Nuromova is currently crowdfunding the N1, with a super early bird price of $329. They say mass production has already started, but as with any new brand, there’s always some risk. Shipping timelines aren’t guaranteed. It’s a premium device, but it’s also a bit of a leap of faith.

Price: $329 and up

Raised: $31,836 of $3,855 goal

Estimated delivery: February 2026
28 days to go before campaign closes

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You wheel it in like luggage and it’s ready to play tennis. Aceii One folds out and hits with you like a proper partner. It’s even designed to simulate actual match-play. The Kickstarter campaign is now underway.

The makers of Aceii One insist they weren’t interested in building just another spinning wheel in a box. They wanted to create a robot that actually plays tennis. That means it doesn’t just shoot balls.

Not your average ball launcher

The machine itself looks fairly compact. Its body folds down and fits into a wheeled suitcase form factor. Fold out the legs and it’s ready to roll. There is enough room inside for 120 balls.

Essential reading: Top fitness trackers and health gadgets

The thing uses differential drive tech, similar to what you’d find in robotics platforms, to sprint across the baseline or move up to the net. The acceleration tops out at 3.5 m/s², which is about the speed needed to match serious rallies. The company claims it can move from mid-court to sideline in 1.2 seconds.

Training, matches and more

Aceii One hits with you, reacts to your shots and changes things up based on how you play. Its vision system watches the whole court and follows your movement in real time, without needing any sensors or wearables. That’s how it knows where to fire the next ball, how fast to send it, how much spin to add and when to switch direction. It doesn’t actually return your shot, but it feels like it does.

At the same time, it records your rallies, saves highlight clips and tracks performance data. This includes shot speed, placement and consistency.

The machine supports everything from basic drills to more advanced match-style play. Training starts with rally modes that gradually increase in difficulty. From there, Match Play adds scoring and structure through three modes. Ranking places you on a scale tied to NTRP levels. Challenge rewards progress with new goals and achievements. Battle lets you compete with friends, test yourself against pro player profiles or take on shared virtual opponents from different locations.

It’s a different kind of setup. For solo tennis players, it brings structure, feedback and variety.

Coaching that goes beyond video

Another noteworthy feature is the coaching content. The Aceii app includes structured lessons co-developed with pro instructors and tennis academies. These are linked to training plans based on your NTRP score and hitting data. After each lesson, the robot delivers tailored drills to reinforce the content. You can either self-select your level or take an AI-powered test to get your starting point.

The app also allows full drill customization. You can dial in ball speed, direction, spin, interval and placement. Or use presets to simulate different play styles.

Bringing purpose to solo tennis

It’s still early days, and the Kickstarter will have to follow through before any big claims hold up. But as ideas go, this one sits at the edge of where robotics and sport start to blur. Whether it works as advertised is one thing. Still, the pitch should resonate with anyone who’s ever hit balls alone and wished it felt more like playing.

With 34 days to go, the campaign has already raised half a million dollars from nearly 500 backers. A single unit goes for $1,099 during the campaign, which is 48 percent off the planned retail price. If all goes to plan with manufacturing, deliveries are expected to begin in December 2025.

Price: $1099 and up

Raised: $498,002 of $3,857 goal

Estimated delivery: December 2025
34 days to go before campaign closes

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