1. Bluetooth: 2.4 GHz, Bluetooth 5.2, support Bluetooth low energy 2. Matching system: HarmonyOS 2 and above, Android 6.0 and above, iOS 9.0 and above 3. Screen: 1.43 inch AMOLED color screen 4. Battery capacity: 450mAh 5. Material: stainless steel + 3D glass mirror 6. Charging interface: wireless charging 7. Safety protection: 5ATM 8. Theoretical charging time: about 120 minutes (at an ambient temperature of 25 degrees Celsius) 9. Sensors: acceleration sensor, gyroscope sensor, geomagnetic sensor, optical heart rate sensor, air pressure sensor, ambient light sensor, temperature sensor 10. Theoretical working time: 3 days in a typical scenario in smart mode: factory default configuration, 2 hours connection to LTE network every day, 22 hours connection to mobile phone via Bluetooth, normal heart rate, scientific sleep at night, 60 minutes/week using APP, 30 minutes Bluetooth call /Week, Bluetooth music 30 minutes/week, average weekly exercise for 90 minutes (GPS is on), message notifications (50 messages a day, 6 calls, 3 alarms), and the screen is on 200 times a day. Typical scenario of ultra-long battery life 14 days: turn on ultra-long battery life, default configuration, heart rate always on, use scientific sleep at night, Bluetooth call for 30 minutes/week, average weekly exercise for 90 minutes (GPS on), enable message notification (50 per day) 2 messages, 6 calls, 3 alarms), and the screen turns on 200 times a day. Supporting iOS mobile phone, smart mode typical scene endurance 1.5 days 11. Functions: sleep monitoring, body temperature monitoring, eSIM independent call, NFC payment, medication reminder, information reminder, voice memo, smart gesture recognition, answering calls, remote camera, blood oxygen monitoring, real-time blood glucose management, heart rate detection, more than 100 Various sports modes (running, cycling, mountain climbing, indoor swimming, elliptical machine, rowing machine, etc.) to record the trajectory, etc. 12. Size: 46.2x46.2x12.15mm 13. Weight: about 54g (without strap) 14. Packing list: watch, charging base, quick start & safety information & warranty card
