Mio Velo
Tech specs 
SizeLINK SLATE (GREY): L -- 265 x 440 x 300 mm (lxwxh); S/M -- 235 x 290 x 109 mm (lxwxh)
LINK ARCTIC (WHITE): 235 x 290 x 109 mm (lxwxh)
MaterialSoft silicone
ChargingUSB
BatteryLi-poly battery
Battery lifeApproximately 8 hours in workout mode
Up to 1 month without continuous heart rate monitoring on
Water-resistance30 metres (3 ATM)
WeightLINK SLATE (GREY), L -- 33.7g, S/M -- 29.7g
LINK ARCTIC (WHITE), 29.7g
SensorOptical heart rate
DisplayHeart rate zone LED indicator
Screen size
ColorsBlue
Other
Activity tracking 
Steps
Distance
Calories
Activity
Floors
Sleep
Heart rateEKG-accurate
Vo2Max
Stress & recovery
UV exposure
Skin temperature
Galvanic skin response
Hydration level
Calorie intake
GPS
Running features
Swimming features
Other - ANT+ Connectivity to Fitness Software & Devices
- Bridges ANT+ Speed & Cadence Sensors to Bluetooth Smart
- Link is compatible with PAI in workout mode
Non-fitness functions 
Smartphone notifications
On-board music storage
Connected pay
Links 
Affiliate link*Amazon | eBay
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