1. Wireless version: V5.2 2. Transmission distance: 15m 3. Drive unit: 13mm 4. Frequency response: 20-20000Hz 5. Impedance: 32 Ohm 6. Rated power: 3mW 7. Battery capacity of charging compartment: 300 mA 8. Headphone battery capacity: 25 mA 9. Play time: 6-8 hours 10. Charging time: 1.5 hours 11. Standby time: 300H
