Fangrui Product Details 1. Hd8c 1.43 Inch Bt5.4 Rotate Dial Smart Watch, Support Bluetooth Call Sleep Blood Oxygen Heart Rate Blood Pressure Health Monitor 2. Prameters: 3. App: Fitcloudpro 4. Chipset: Bluetrum Ab5691 5. System: Android 5.0 And Above; Ios 10.0 And Above 6. Flash Memory: Ram 400kb, Rom 128mb 7. Screen: Tft 8. Size: 1.43inch 9. Resolution: 360*360 10. Touch Ic: Cst816d 11. Connection Parameters: 12. Bluetooth Calling: Bluetrum Ab5691 13. Blutooth: Ble 5.4 14. Wifi: None 15. Nfc: Yes 16. Sensors: 17. Accelerometer Sensors: Sc7a20h 18. Heart Rate: Hx3918h With Liveness Detection 19. Hall Switch: Yes 20. Gps: None 21. Body Temperature: None 22. Battery: 23. Battery Type: Li-polymer 24. Battery Capacity: 3.8v300mah502025 25. Charging Way: Wireless Charging 26. App Software Functions: 27. Sport: Count Steps, Calories, Distance, Movement Patterns 28. Health: Heart Rate, Blood Oxygen, Sedentary Reminder, Sleep Monitoring, Automatic Heart Rate Monitoring, Etc 29. Intelligent Reminder: Call, Sms, Email, Wechat, Qq, Facebook, Twitter, Whatsapp, Linkedin, Instagram, Messenger, Snapchat, Line, Kakao Talk, Viber, Skype, Telegram Etc. 30. Other Functions: Raise The Wrist To Light The Screen, Alarm Clock Reminder, Remote Control Photo, Find The Phone And So On 31. Hardware Function: 32. Sport Data: Distance, Calories, Steps, Real-time Heart Rate, Exercise Duration 33. Sport Mode Selection: Outdoor Sports, Fitness Sports, Ball Games, Water Sports, Etc. 34. Others: Ota, Quick Settings Panel (control Center), Data (step Count, Distance, Calories), Heart Rate, Blood Pressure, Blood Oxygen, Sleep, Wrist-raising To Wake Screen, Weather, Wechat Sports, Messages, Reminders (notifications, Water Intake, Sedentary, Alarm), Women's Health, Stopwatch, Countdown, Find Phone, Find Bracelet, Shake To Take Photo, Watch Face Switching, Music Control, Settings (language Selection, Brightness Adjustment, Screen-on Duration, Vibration Settings, Factory Reset, Version Information), Power-onoff Logo, Components (function Editing), Password Lock, Breathing Training, Exercise, Exercise History, Do-not-disturb Mode, Power-saving Mode, Low-battery R