REMAX WIRELESS HEADPHONE [RB-660HB]

1. Bluetooth version: Bluetooth V5.0
2. Support protocol: A2DP, AVRCP, HSP, HFP
3. Bluetooth distance: more than 10m
4. Working voltage: 3.3-4.2V
5. Speaker impedance: 32 ohms
6. Speaker power: 50mW
7. Battery specification: 300mAh
8. Charging time: 2 hours
9. Talking time: more than 10 hours
10. Music playing time: more than 10 hours
11. Standby time: 300 hours
12. Material: plastic + metal
13. Bare metal weight: 190g
14. Bare metal size: 177x91x195mm