1. Featured functions: ECG electrocardiogram function, Bluetooth call, non-invasive blood glucose measurement, uric acid measurement, blood lipid monitoring, HRV-AI medical diagnosis, SOS emergency call function, pressure measurement, body temperature monitoring, blood oxygen monitoring, breathing rate, heart rate monitoring, blood pressure monitoring, sleep monitoring, sedentary reminder, family sharing real-time data, music control 2. Sports function: step counting/calorie/distance, multi-sport mode 3. Other functions: stopwatch, flashlight, countdown, step counting, calories, distance, sleep monitoring, exercise mode, incoming call reminder, alarm clock reminder, raising hand to brighten the screen, social sharing (WeChat, QQ, Facebook, Twitter), etc., shake to take a photo 4. Screen size: 1.39 inches high resolution 360x360 screen 5. Screen type: IPS HD TFT 6. Bluetooth: 5.0BLE (low power consumption) 7. Battery capacity: 280mAh 8. Charging method: Magnetic charging 9. Charging time: about 3-4H 10. Battery life: 3-7 days in use, 30-40 days in standby 11. Control mode: full-screen touch control, mobile APP control 12. Main control chip: ultra-low power consumption JL7012 13. Body temperature sensor: contact type high-precision thermal element 14. Blood oxygen chip: OSRAM (OSRAM) 2703+GR3220 15. Gravity sensor: ST8321 16. ECG chip: 512HZ precise high frequency GR3220 17. Photoelectric chip: OSRAM (OSRAM) 2703+GR3220 18. Vibration: precision motor: silent/vibration 19. Waterproof level: IP67 20. Compatible systems: Android 4.4 and above, iOS 8.2 and above 21. Language: - Watches: Chinese, English, Traditional, Japanese, French, German, Italian, Korean - APP: Chinese, Traditional Chinese, English, Japanese, German, Russian, Italian, French, Spanish, Portuguese, Thai, Czech, Greek, Polish, Vietnamese, Turkish, Romanian, Hungarian, Danish, Finnish, Arabic, Ukrainian, Hebrew, Persian, Irish, Slovak, Korean, Croatian, Swedish, Bokmal Norwegian 22. Material: - Shell: metal alloy + stainless steel - Bottom shell: PC+ABS+medical 316 steel sheet - Strap: Silicone