1. Bluetooth: 5.0 2. Matching system: HarmonyOS 2; Android 6.0 and above; iOS 9.0 and above 3. Screen: AMOLED color screen 4. Screen resolution: 456 x 280 pixels 5. Screen size: 1.64 inches 6. Battery capacity: 180mAh 7. Button: full screen touch + side button 8. Charging port: magnetic thimble charging port 9. Strap adaptation perimeter standard model: 130-210 mm; short model: 110-190 mm 10. Strap material: silicone 11. Standard strap size: long strap is about 120mm, short strap is about 80mm; short version: long strap is about 102mm, short strap is about 80mm 12. NFC: Support 13. GPS: Support 14. Waterproof and dustproof grade: support 5ATM grade waterproof 15. Size: 46x30x10.7mm 16. Weight: about 21g (without strap) 17. Battery type: non-removable polymer lithium battery 18. Support custom watch face 19. With 12 fitness courses, full animation display 20. 12 commonly used professional sports modes, 85 custom modes 21. Scientific data analysis to help you find a more suitable exercise rhythm 22. 24-hour intelligent monitoring of heart rate, sleep, blood oxygen 23. Support various functions such as information reminder, alarm clock, timing reminder of menstrual period, etc. 24. Support Chinese and English
Packing list: Watch x 1 Charging base (including charging cable) x 1 Quick start x 1 Safety information x 1