Fangrui Product Details 1. Qs80 1.39 Inch Bt5.2 Smart Sport Watch, Support Bluetooth Call Sleep Blood Oxygen Temperature Heart Rate Blood Pressure Health Monitor 2. General Specifications: 3. Product Size: 44.7x10.5mm 4. Case Material: Zinc Alloy, Pc+abs 5. Strap Material: Silicone Strap 6. Product Weight: 57g 7. Waterproof Level: Ip67 8. Battery Life: 5-7 Days (depending On Usage Scenarios) 9. Charging Time: Less Than Or Equal To 2h 10. Compatible With Smartphone Systems: Android 4.4 Or Ios 9.0 Or Above Systems That Support Bluetooth 5.2 Ble 11. Watch Firmware Language: Chinese, English, German, Russian, Spanish, Portuguese, French, Japanese, Italian, Polish 12. App Language: Russian, Indonesian, German, Italian, Czech, Japanese, French, Polish, Simplified Chinese, Traditional Chinese, English, Portuguese, Spanish, Arabic, Korean 13. Hardware Configuration: 14. Mcu: Rtl8763ewe 15. Battery: 260mah 16. App: Fit Cloud Pro 17. Flash: 128mb 18. Heart Rate Chip: Lc09a 19. Bluetooth: Ble5.2 20. Display: 1.39 Inch, 360x360 Tft Display 21. Physical Buttons: 1 22. Touch: Full Screen Touch 23. Software Configuration: 24. Built-in Dials: 5 Built-in Dials, Supports Custom Dials 25. Basic Functions: Breathing Training, Respiration Rate, Female Menstrual Cycle, State, Audio, Call Records, Incoming Callanswerrejection, Music, Message Push, Alarm Clock, Turn Your Wrist To Brighten The Screen, Backhand Screen Off, Do Not Disturb Mode, Shake To Take A Photo, Find Phone, Step Count, App Massive Dial, Countdown, Stopwatch 26. Bluetooth Call Connection: Connect 1 Time 27. Health Management: Sleep Monitoring, Heart Rate, Blood Pressure, Blood Oxygen, Breathing Training, Sedentary Reminder 28. Sports Modes: 8 Sports Modes