About Product 1. Battery capacity: 160mAh 2. Waterproof level: IP67 waterproof 3. Bluetooth version : Bluetooth 4.1 4. Resolution:80*160 5. Charging method:magnetic charging 6. System: Android system 4.4 version or above,iOS system 9.0 version or above 7. Battery Life: 5 days 8. Standby Time: 15 days 9. Device supported languages:Chinese, English, German, Spanish, Japanese, French, Russian, Italian, Portuguese 10. APP support languages:Chinese, English, Japanese, Korean, German, French, Italian, Spanish, Portuguese, Russian, Thai, Traditional, Arabic, Ukrainian, Finnish, Vietnamese, Dutch, Turkish, Hungarian, Greek , Polish, Danish, Swedish, Indonesian, Czech, Slovak, Norwegian, Romanian, Persian Function 1. Bluetooth call,heart rate monitoring,blood pressure monitoring,blood oxygen monitoring 2. Step,distance,calorie 3. Sleep monitoring (sleep time, sleep quality) 4. Multi-sport modes:supports 18 sports modes such as walking, running, cycling, climbing, etc. 5. GPS track synchronization,bluetooth music, temperature measurement,call reminder,SMS reminder, social APP message reminder 6. Alarm clock reminder, sedentary reminder,raise your hand to brighten the screen, find bracelet, find mobile phone, remote photo 7.Reject call, do not disturb mode, multi-dial switch,weather,timer,remote upgrade,data synchronization