Inhouse product
1. Bluetooth version: V5.3
2. Transmission range: about 10m
3. Bluetooth chip: JL AC7006F4
4. Support protocol: HSP, HFP, AVRCP, A2DP
5. Speaker driver unit: 16.2mm
6. Rated power: 10mW
7. Impedance: about 22 ohms
8. Battery capacity: 800mAh for charging compartment, 80mAh for earphone
9. Standby time: about 12 months
10. Charging time: about 2H
11. Playback time: about 9-12H
12. Charging port: Type-C
13. Material: ABS+PC