Product parameters:
1. Bluetooth version: V5.0
2. Operating range: more than 10m
3.Charging box battery capacity: 18650mAh
4. Single earphone battery capacity: 2600 mAh
5. Music duration: 4H
6. Call duration: 4H
7. Standby time: 200H
8. Charging time: 1H
9. Speaker diameter: 8mm copper ring
10. Single Earbud Size: 20x16x14mm
11.Material: ABS+silicone