1. Model: HMB-11
2. Bluetooth version: 5.0
3. Communication distance: about 10 meters.
4. Headphone standby time: 120h
5. With charging box weight: 70g
6. Headphone charging time division: 1h
7. Talk time: 3.5h
8. Music time: 4h
9. Charging voltage: DC5v
10. Charging box battery capacity: 400 Mah
11. Support agreement: HFP / HSP / A2DP / ARCP