Bluetooth 4.0: suitable for Android 4.3 or higher devices and iOS 7 or above devices
Muti-functions: Mobile Phone Anti-lost, Remote Camera . Calories Tracking. Sleep Monitor . Silent Alarm by vibration.Sedentary Remind
Waterproof: IP65,to ensure you can use normally in any case.
Easy to Use: You simply tap on the screen and use finger gestures like swiping, double tapping, etc.
USB Connect: The whole front piece pulls away from the band and doubles as a USB stick.