1、IP67 professional waterproof, suitable for all kinds of water sports wear. 2、High-precision color touch screen, lightweight and easy to operate. 3、The whole process to help you sleep monitoring, generate professional sleep reports, develop healthy sleep habits. 4、Other functions: Pedometer, calorie counter, distance, sedentary reminder, etc. 5、 Multiple sports modes: running, swimming, basketball, etc. Features: 1. IP67 professional waterproof, suitable for all kinds of water sports wear. 2. High-precision color touch screen, lightweight and easy to operate. 3. The whole process to help you sleep monitoring, generate professional sleep reports, develop healthy sleep habits. 4. Other functions: Pedometer, calorie counter, distance, sedentary reminder, etc. 5. Multiple sports modes: running, swimming, basketball, etc. 6. With call reminders, caller ID and SMS notifications, so you don't miss important information. Specification: Model: P3 Weight: about 109g/3.94oz Size: about 6.5*6.3*2cm/2.56*2.48*0.79inch Bluetooth: 4.0 Chip: for Nordic 52832 APP: Me care Display: OLED 0.96 inch Battery: 100mAh Waterproof level: IP67 Standby time: 5 days Support mobile phone system: for IOS 8.0 and above, for Android 4.4 and above Heart rate monitoring function: support Automatic bright screen: support Charging: USB direct charge Material: stainless steel, TPU Sensor: ECG IC TI1129, three-axis sensor Color: Black, White, Red, Blue(optional) Package List: 1 * Wristband 1 * Instruction Manual