E19 1.28 inch Color Screen Smart Watch, IP68 Waterproof,Support Heart Rate MonitoringBlood Pressure MonitoringBlood Oxygen MonitoringSleep Monitoring About Product 1. Battery capacity: 200mAh 2. Waterproof level: IP68 waterproof 3. Bluetooth version : Bluetooth 5.0 4. Resolution:240*240 5. Charging method:Magnetic charging 6. System: Android system 4.4 version or above,iOS system 8.0 version or above 7. APP Name: Tefiti 8. Standby time: 20 to 25 days 9. Usage time: About 7 days 10. APP supports languages: Android: English, Arabic, Czech, French, German, Indonesian, Italian, Japanese, Korean, Polish, Portuguese, Russian, Simplified Chinese, Spanish, Thai, Traditional Chinese, Turkish, Romanian, Hindi iOS: English, Arabic, Czech, French, German, Indonesian, Italian, Japanese, Korean, Polish, Portuguese, Russian, Simplified Chinese, Spanish, Traditional Chinese 11. UI supports languages:Chinese, English, Korean, Japanese, German, Spanish, French, Italian, Portuguese, Arabic, Russian, Dutch, Indonesian, Hindi, Polish, Turkish Function 1. Heart rate monitoring,blood pressure monitoring,blood oxygen monitoring 2. Step,distance,calorie 3. Sleep monitoring (sleep duration, sleep quality) 4. Multi-sport modes:running, walking, cycling, skipping rope, badminton,basketball,football,swimming, etc 5. Social APP message reminder:QQ, WeChat, nailing, wang zhen, sina weibo, lnstagram, linkeln, Snapchat, bursts, Facebook, Skype, Twitter, WhatsApp, Line, KakaoTalk 6. GPS track movement,call reminder,message reminder,stopwatch, mobile phone search, raise your hand to brighten the screen 7. Sedentary reminder, alarm clock reminder, drinking water reminder, medication reminder, shake photo, female physiology reminder 8. WeChat sports access, sports goal setting, fitness information sharing,weather,do not disturb mode