Color Screen Sport Fitness Bracelet Pedometer Tracker Heart Rate Blood Pressure Monitor Health Smart Band Stopwatch Bracelets S9 Product Description: 1. Blood pressure and heart rate sensor 2. Vibration: mute / vibration 3. Waterproof level: IP54 4. Compatible with Android 4.3 and above, iOS 8.0 and above 5. Features: static and dynamic heart rate, blood pressure, and information push 6. Main Function: heart rate, blood pressure, step counting, calories, distance, stopwatch, sleep monitoring, call reminders, alarm reminders, and information push 7. Charging Time: about 2H 8. Time of Endurance: 7-10 days 9. Control Mode: controlled by keys and mobile phone APP. Packing List: 1 * Fitness Smart Bracelet 1 * charging cable