Wireless Version: V5.0+EDR

Transmission distance: 10m

Playing time: 4 hours

Stanby time: 300 hours

Battery: 200 mAh rechargeable lithium battery

Charging time: 1.5 hours

Driver unit: 40mm

Impedance: 32Ω

Sensitivity: 110±3dB S.P.L at 1KHz

Frequency Range: 20Hz-20KHz

Max Input Power: 15mW