1. Bluetooth version: 5.0
Bluetooth Chipset: RTL8763
3. Range: 10m
4. Working time: 6~6.5 hours
5. Charging time: 2 hours
6. Earphone Battery Capacity: 65mAh
7.Charge case battery capacity: 500mAh
8. Speakers: 10mm
9. Frequency Response: 20HZ-20000HZ
10. Impedance: 32Ω
11. Sensitivity : 96db±3db