Model: M30 pro
✅ Bluetooth specification: V5.2
✅ Bluetooth Profile:A2DP,AVRCP, HFP;HSP
✅ Working voltage:3.1V~4.2V
✅ Charging voltage:5V-1A
✅ Battery capacity of the headset: 50MAH
✅ Battery capacity of the storage box:2000MAH
✅ Transmission distance:>10M
✅ Call time: About 6 hours
✅ Play time:About 6 hours
✅ Waterproof : IPX7
✅ Charging time of headset:1h
✅ Charging time of the Charging box:2h
✅ Support system: All Bluetooth devices and mobile phones