Waterproof standard IP-X6 3 rolls-gravity sensor healthband with rechargeable LI-ion battery

Main Features:

* Main Chip: Quintic QN9021
* Waterproof standard: IP-X6
* Main material:Board:ABS,wristband:soft rubber
* Storage: 64KB RAM+64KB ROM
* Sensor: 3 rolls-gravity sensor
* Long time stand by:15days
* Main Function:
Pedometer,Distance measurement,Calorie burning monitor,Sleeping monitor,Speed testing,
* Rechargeable LI-ion battery
* No need sync with iOS and Android smartphone
* Color:black, blue, red,green,rose red,yellow,purple

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