* Product Name:Bluetooth TW64
* Component:wristband, charger
* Material of the band:texture TPU band
* System requirement
1) For android: android 4.3 and above
2) For IOS: IOS 7.0 and above
* Bluetooth version:bluetooth 4.0
* Battery life:rechargable( working 10 days after full charged)
* Display:0.49 inch OLED screen
* Basic function:pedometer, calorie counter, sleep monitor, distance tracker, incoming call and sms alarm, email reminder, stop watch
* Color:black,yellow,orange,blue or green for you choose
* Net Weight:90g/pc.
* Size: 24*2cm