- Fabric Strap: Medical Polyester (80%Nylon and 20% Spandex)
- XOSS HR chest strap Provides live, accurate heart rate to compatible mobile training apps through Bluetooth Smart technology
- The Chest Strap heart rate is an early warning for the health(HR max of different people is not the same, the estimated formula is 208-0.7*Age
- Adjustable elastics strap.Battery life will last up to 1 year and low power consumption. Waterproof sensor, For Iphone 4s/5/5s/6/6s/7 plus and for other Android 4.3 devices
- Note, the black color has 2 mode,black bluetooth&ANT only this model support 2 conntection method.New Brand ,High quality, Good Service. We have sold a lot of pieces this product , the customers always satisfied with our service.If you have any questions, please feel free contact us.
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