About Product 1. Battery capacity: 210mAh 2. Bluetooth version :Bluetooth 5.0 3. Charging method:Magnetic charging 4. Waterproof rating: IP67 waterproof 5. System: Android system 4.4 version or above,iOS system 8.0 version or above 6. Resolution:360x360 7. RAM:16MB FLASH + 195KB RAM + External 128MB FLASH 8. CPU:Realtek8762DT+AC6963A 9. APP Name: Da Fit 10. Watch Support languages:English, Chinese, Japanese, Korean, German, French, Spanish, Arabic, Russian, Traditional, Ukrainian, Italian, Portuguese 11. APP Support languages: Danish, Ukrainian, Russian, Bulgarian, Bokmal, Norwegian, Hindi, Indonesian, German, Italian, Czech, Japanese, Pushto, French,Polish, Thai, Swedish, Simplified Chinese, Traditional Chinese, Finnish, English, Dutch, Portuguese, Spanish, Vietnamese, Arabic,Korean Function 1. Heart rate monitoring,blood pressure monitoring,blood oxygen monitoring 2. Step,distance,calorie 3. Sleep monitoring (sleep duration, sleep quality) 4. Breath training,music player,alarm Clock, remote Control, countdown, Passometer 5. Call reminder, answer call, push message, message reminder, dial call 6. Gesture control, sedentary reminder,remote camera ,weather forecast,BT push information 7. Withcontent for Facebook, twitter,What app,WechatLine Kakao Talk lnstagram messaging,calling)optional