IP67 waterproof activity tracker 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. USB charging cable included. Comes with a luxury giftbox. ABS Plastic, Silicone Plastic.