Bluetooth version：Bluetooth 5.0
Bluetooth protocol: BLE/HSP/HFP/A2DP/AVRCP
Transmission distance: 10M
Headphone battery capacity: 50maH
Single working hour: Around 4-5 hours
Battery capacity of charging box: 600maH
Charging box working hour:Around 25 hours
Charging time: Around 1.5hours
Speaker: φ6，16Ω.