1. Main shell material: ABS+PC
2. Shell size: 55x28x16mm
3. Product weight: 31g
4. Strap size: 205 mm
5. Headphone material: silicone and plastic
6. Headphone standby time: 7-15 days
7. Bracelet standby time: 10 days
8. Earphone usage time: 3 hours of talk/music
9. Display: 1.14 TFT (color screen)
10. Screen resolution: 135x240
11. Bluetooth version: 5.0
12. Reminder: vibration
13. Data storage: local/cloud server
14. Support system: Android 4.4 and above; ios 8.0 and above
15. Equipment requirements: Android4.0 and above; mobile Bluetooth 4.2, ios8.0 and above
16. Battery type: polymer battery
17. Battery capacity: 135 mAh
18. Charging method: contact magnetic charging
19. Working temperature: -5-45 degrees Celsius
20. Charging
