V69 1.85 inch Color Screen Smart Watch, Support Bluetooth Call Heart Rate Blood Pressure Blood Oxygen Monitoring About Product 1. Battery capacity: 710mAh 2. Bluetooth version :BT5.0 3. Charging method:Magnetic charging 4. Resolution:360 x 360 6. System: Android system 4.4 version or above,iOS system 9.0 version or above 7. Watch languages: Simplified Chinese, English, French, Spanish, Japanese, Russian, Portuguese 8. APP:Da Fit 9. APP languages:Chinese, Chinese Traditional, English, German, Korean, Spanish, Japanese, French, Russian, Arabic, Ukrainian, Italian, Portuguese Function 1. Heart rate monitoring,blood pressure monitoring,blood oxygen monitoring 2. Step,distance,calorie 3. Sleep monitoring (sleep duration, sleep quality) 4. Call reminder push, SMS reminder push, WeChat reminder push, QQ reminder push 5. Trajectory map, sedentary reminder, stopwatch, low battery reminder, hand up to light screen, fast charging, ultra-low power consumption 6. Sports mode, remote photography, music control, intelligent alarm, weather forecast, HD large screen, multi-dial switching, WeChat sports Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.