1. Appearance process: 2.5D glass lens + zinc alloy middle frame + plastic + 3D spherical glass + leather strap 2. CPU: MT2502C 3. Built-in storage: RAM 32Mb+ROM 64Mb 4. External flash: 128Mb 5. Display: 1.32 inch full circle full color full viewing angle TFT; resolution: 360*360 6. Touch screen: OGS capacitive full touch screen; full fit 7. Bluetooth: BLE Ver4.2 and BT3.0 8. Battery: 200mAh polymer lithium-ion battery 9. Battery life: Bluetooth connection standby: about 5 days; normal use: about 2 days 10. Charging method: magnetic charging cable 11. Dustproof and waterproof grade: IP67 12. Static protection level: contact 4KV, air 8KV 13. Smartphone system support: Android 5.1 and above, IOS9.0 and above 14. Firmware in multiple languages: Chinese, English, German, Spanish, Italian, French, Portuguese (Portugal), Portuguese (Brazil), Russian, Indonesian, Malay, Polish, Vietnamese, Hebrew, Arabic English, Persian, Thai, Burmese, Turkish and other languages 15. Function: mobile phone APP message notification, call reminder, bluetooth call, bluetooth music, heart rate monitoring, pedometer, sleep monitoring, multiple sports modes (walking, running, cycling, mountaineering, football, badminton, basketball, table tennis) ball, etc.), sedentary reminder, alarm clock, stopwatch, do not disturb mode, raise your wrist to brighten the screen, find a mobile phone, music control, camera control, etc. 16. Size: diameter 46.0mm, thickness 9mm