1. Main chip: REALTEK8762CK_VD 2. Heart rate sensor: VC9201+VP60 3. UV sensor: UV10A 4. Sensor: STK8321 5. Bluetooth distance: 10m 6. Flash: 192KB SRAM+128Mb Flash 7. Display: 1.47 inch TFT screen 8. Resolution: 172*320 9. Battery capacity: 140mA 10. Charging method: magnetic thimble contacts 11. Charging time: 2 hours 12. Working hours: 5-7 days 13. Material: plastic ABS+PC lens+TPU 14. Waterproof grade: IP68 15. Mobile phone system: Android 4.4 and above; iOS 9.0 and above 16. Watch interface language: Chinese Simplified, Traditional Chinese, English, Japanese, Korean, German, Russian, Spanish, Italian, French, Portuguese, Swedish, Turkish Support 13 languages 17. APP mobile phone supports languages: Simplified Chinese, Traditional Chinese, English, Japanese, Korean, German, Russian, Spanish, Italian, French, Portuguese, Swedish, Turkish, and supports 13 languages 18. Functions: 24-hour continuous heart rate monitoring, blood pressure monitoring (the switch on the app is off by default), blood oxygen continuous monitoring, stress test, UV test, 10 pieces of information review, steps, calorie consumption, mileage, heart rate monitoring, exercise mode (running, walking, cycling, breathing training, free training, plank, rope skipping, yoga, mountain climbing, hiking, spinning, rowing, stepper, elliptical, basketball, tennis, badminton, soccer, baseball, rugby, etc. 20 mode), switch between multiple themes on the main interface, sleep monitoring record, power saving mode, search for mobile phone, search for watch, remote control to take pictures (take pictures by shaking the wrist or touch the screen), lock screen, flashlight (the screen is fully on), brightness and Bright screen time adjustment, sedentary reminder, step counting reminder, alarm clock reminder, message reminder, call reminder, call rejection, do not disturb mode, WeChat sports, countdown (built-in 8 sets of quick time), stopwatch, music control, can be customized Define tag event reminders, temperature monitoring, etc.