- 1. Bluetooth version: V5.3 EDR2. Battery capacity of charging bin: 300mAh3. Headphone battery capacity: 30mAh4. Duration: 24hours in total(Cooperate with the charging case)5. Output power of charging chamber: 5V/100mA6. Working distance: 10-20m (barrier-free straight line)7. Charging interface: Type-C
