1. Battery capacity: 220mAh LiPo
2. Bluetooth version: 5.0
3. Charging method: magnetic type
4. Theoretical charging time: about 2 hours
5. Waterproof rating: 5ATM, support swimming
6. Screen: 1.65 inches AMOLED, resolution: 348 X 442, 341 ppi
7. Positioning: GPS + GLONASS
8. NFC: NFC city bus subway, access card simulation
9. Sensors: BioTrackerTM PPG biological tracking optical sensor, acceleration sensor, 3-axis gyroscope, 3-axis geomagnetic sensor, air pressure sensor, capacitance sensor, ambient light brightness sensor
10. Daily use mode: 14 days (heart rate is always on, sleep monitoring; 150 messages a day push bright screen display, 30 times to look up the wrist, NFC swipe 4 times, other operations 5 minutes; exercise 3 times a week, each time Turn on GPS and run for 30 minutes)
11. Basic watch mode: 46 days (Turn off the Bluetooth connection, heart rate and other functions of the mobile phone, and raise the wrist to brighten the screen 100 times a day)
12. GPS continuous working time: 25 hours (turn on GPS to record exercise tracks, turn on heart rate monitoring)
13. Material: metal, polymer material, Corning Gorilla 3rd generation tempered glass, silica gel
14. Support devices: Android 5.0 and above, iOS 10.0 and above
15. Functions: Time/week display, custom module dial, heart rate monitoring, 12 exercise modes, GPS positioning, huami-PAI health assessment, NFC bus card payment, sedentary reminder, calorie consumption, step counting, sleep monitoring, incoming calls Reminder, SMS reminder, control music, alarm clock, compass, find mobile phone, APP notification, stopwatch, countdown, etc.
16. Dimensions: 43.25 x 36.25 x 9.4mm
17. Weight: about 25g
