Xiaomi has finally made the Mi Band 4 official. The much anticipated budget wearable was unveiled this morning at a launch event in China.
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There were few real surprises, though, as most of the specs were leaked out ahead of the gathering. The highlight is probably the new full colour AMOLED display. This features 120 x 240 pixel resolution, 2.5D scratch-resistant tempered glass and screen brightness up to 450 nits. It is also larger now measuring 0.95-inches versus the 0.78-inches of its predecessor. As shown in these pics, the display looks absolutely gorgeous.
Mi Band 4 will let you choose from 77 colourful watch faces. These display live weather and stock updates, allow you to view text and call notifications, and you can use them to find your phone, switch music tracks and more.
Despite these design improvements, battery life has stayed the same. Xiaomi knows this is an important selling point of the device. Mi Band 4 will keep going for up to 20 days on a single charge thanks to the 135 mAh lithium ion battery.
Under the hood, there’s an accelerometer, gyroscope and optical heart rate sensor. The combination of these will monitor your activity stats 24/7. You get 6 different sports modes to tap into, including running, outdoor running, exercise, cycling and walking.
The wearable is rated 5 ATM for water-resistance, so swimming is also on this list. Mi Band 4 recognises different types of strokes such as freestyle, breaststroke, backstroke, butterfly and mixed-style. It will even spit out your SWOLF score. We are very keen to test how well this works once we get our hands on a test device.
The wearable can be picked up in two iterations. The only difference between them is the inclusion of NFC support on one of them. This can be used for making payments through AliPay and WeChat Pay. Mi Band 4 also packs Xiao AI voice assistant which springs to life when you lift up the band and can be used for controlling Xiaomi’s smart products. NFC and the AI speaker, however, will only be built into devices selling in China.
Availability officially begins on June 14th. In China the regular version will sell for 169 yuan ($25) and the NFC iteration for 29 yuan ($33). Finally, 349 yuan ($51) will get you an Avengers Limited Edition. This one comes with three unique coloured bands, Marvel superhero watch faces, a custom metal dial and more.
For those living outside of China, there’s a Global variant that comes without NFC and the AI speaker. Xiaomi is yet to reveal the pricing and availability for other countries although a number of retailers, such as Geekbuying, have opened pre-orders.
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