S22 Air Pump Blood Pressure Testing ECG Health Smart Watch, 1.39 inch Round Screen Basic Parameters: 1. Main features: Air pump + air bag type true blood pressure accurate test, blood pressure voice broadcast, TPU ultra-thin comfortable air bag (removable), ECG electrocardiogram, AI intelligent diagnosis 2. Health management functions such as blood sugar monitoring, uric acid monitoring, blood lipid monitoring, body temperature monitoring, blood oxygen monitoring, respiratory rate, sleep monitoring, sedentary reminder, etc.; 3. Sports Functions: Step countingcaloriedistance, multi-sport mode, remote care function for relatives and friends, multi-dial switching in the APP market, customizable main dial; 4. Call and message reminder, weather forecast, stopwatch, music control, raise your wrist to light up the screen, alarm clock, multi-language 5. APP: HealthWear 6. Blood pressure type: Air pump + air bag true blood pressure 7. Air pressure sensor: Nonlinear high-precision air pressure sensor 8. Main control chip: RTL8762DW 9. Blood oxygen chip: AFE4950+OSRAM SFH2703 10. Body temperature sensor: CT1711 array 11. Optoelectronic chip: AFE4950 12. Vibration: SilentVibration 13. Compatible systems: Android 6.0 and above, iOS 11 and above 14. Health Features: Accurate air pump + air bag true blood pressure test, ECG electrocardiogram, blood sugar monitoring, independent and accurate blood oxygen, body temperature, blood lipids, uric acid, respiratory rate, heart rate, sleep monitoring, remote care for relatives and friends. 15. Remote care for relatives and friends: APP to share monitoring real-time data with family or friends 16. Other functions: Step counting, calories, distance, sleep monitoring, exercise mode, incoming call reminder, alarm clock reminder, turning the wrist to brighten the screen, information reminder, etc. Display: 1. Screen Size: 1.39 inch Retina HD full touch screen 360 x 360 2. Screen Type: IPS HD TFT Other Parameters: 1. Bluetooth: 5.0BLE (low power consum