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. Charge box battery capacity: 400Mah
11. Support Agreement: HFP/HSP/A2DP/ARCP