Professional technical onsultant A number of scientific research experts focus on the research and development of health wearable products, realizing the Technological breakthrough Product Parameters: 1. Intelligent micro physical examination function, always helping you understand your physical condition 2. Health innovation research: Body composition assessment, uric acid risk assessment, and lipid risk assessment 3. Screen: AMOLED 4. Screen size: 1.96 inches 5. Resolution: 360 * 360 HD AMOLED 6. Chip: Realtek 7013A 7. PPG chip: dual PD-VP555ER 8. Laser: Dual probe 650nm laser pulse 9. Blood oxygen chip: infrared+red light true blood oxygen 10. Temperature sensor: Contact temperature sensor 11. ECG chip: VP555ER 12. Heart rate sensor: VP60A2 heart rate (dynamic and accurate dual PD continuous heart rate collection) 13. Gravity sensor: KXTJ3-1057 14. Bluetooth: 5.3 15. Battery capacity: 340mAh polymer battery 16. Charging method: magnetic suction charging 17. Charging time: approximately 3-4 hours 18. Battery life: 7-12 days 19. Standby time: 30-40 days 20. Waterproof: IP68 21. System requirements: Android 4.4+/IOS 10.0+ APP: HBand Features 1. Keep an eye on your health: Blood oxygen / body temperature / ECG / respiratory rate / blood pressure / heart rate monitor, AI Diagnostic Detector, remote relatives and friends care, sleep tracker. 2. A good helper for workout: Pedometer, calories burned, distance, sports modes. 3. A good helper for daily life: Incoming calls reminder, sync notifications, multiple watch faces, alarm, raise wrist to wake watch, camera remote, Bluetooth music, DND mode, custom faces, weather, etc.