Details
Spesification :
Pedometer And Sleep Tracker
0.78in OLED Touchscreen
24.7cm wristband, wearable length 155-216mm
Waterproff to 5ATM
Heart-rate scanner
Bluetooth 4.2
1100mAh batteray (20-day life)
20g (11g band, 9g tracker)
Compatible with Android 4.4+/iOS 9.0+