Main Functions: Heart Rate Monitor, Blood Pressure, Vibration reminder, Incoming calls reminder with number display, Task Alert, Lift the wrist to bright screen, Steps counter, Time, Pedometer, Calorie burning monitor, Walking Distance Tracker, Sport time, Sleeping monitor etc. HD Color Screen Fitness Tracker & Multy Style Screen With 0.96 inch High-Definition clear screen, the fitness tracker screen is clearly visible in the sun. Set to your fivorite screen style.:It's designed with a home button on 0.96 inches OLED full touch screen, USB wireless charging and IP67 grade waterproof. Metal buckle is designed for wearing more steadily. The wristband is made of high-quality TPU material that is softer and more durable. Be compatible with Android ( OS 4.3 or above ); for iPhone ( iOS 8.0 or above ) ; IP67 Waterproof and Dustproof, you can wearing the smart fitness tracker washing hands, taking shower or walking in the rain freely.