State of the art waterproof (IP67) activity tracker with freeAPP in multiple languages. Tracks your activity, counts caloriesburned and monitors your sleep pattern. Comes with crystalclear touch screen on which you can easily swipe throughyour data. The bracelet enables you to receive incomingcalls and messages and can be used to control the cameraon your mobile phone. Works on Bluetooth 4.0 and the 75mAhbattery allows you to use the device for a full week. Workson both IOS (4S or higher) as Android (4.3).