About Product 1. Battery capacity: 320mAh 2. Bluetooth version :Bluetooth 3.0/5.0 3. Charging method:Wireless charging 4. Waterproof rating: IP68 waterproof 5. System: Android system 5.0 version or above,iOS system 9.0 version or above 6. Resolution :320x390 7. Standby time:7-15 Days 8. Charging time:2-3 Hours 9. APP Name: RDFit 10. Watch Support languages:Chinese, English (default), Russian, Spanish, Portuguese, Turkish, Hebrew, Arabic, Vietnamese, Persian 11. APP Support languages: Chinese, English (default), Russian, Spanish, Portuguese, Turkish, Hebrew, Arabic, Vietnamese, Persian Function 1. Heart rate monitoring,blood pressure monitoring,blood oxygen monitoring 2. Step,distance,calorie 3. Sleep monitoring (sleep duration, sleep quality) 4. Code, find mobile phone, calendar, track,alipay, camera, information, restart 5. Body temperature, women's health, weather, voice assistant, my QR code 6. Menu, timer,compass (calibrated as prompted),altitude,stopwatch, music, alarm clock 7. Brightness level, vibration intensity, time and date setting, password lock, 180 movement modes
