Waterproof smartband with a 0. 96 inch color touch screen. Main functions, heart rate monitor, step counter, distance, calories, sleep monitor, sedentary lifestyle, Bluetooth 4. 0 Notifications. Compatible with Android 4. 4 Or higher / IOS 8. 1 Or higher. Battery 50mAh. Stand by time: 7 days. Direct charging by USB. Comes with a luxury giftbox.