Headphone
Type : Circumaural, Closed backFrequency response : 20Hz–20,000HzImpedance : 16 ΩSound pressure level : 103dBSPL/mW at 1kHzT.H.D. : ≤ 2%Weight : 244gCable length and type : USB charge cable (0.5m)
MicrophoneElement : Electret condenser microphonePolar pattern : Uni-directional, Noise-cancellingFrequency response : 50Hz-18kHzSensitivity : -40dBV (1V/Pa at 1kHz)Battery life2 : 17 hoursWireless Range5 : 2.4 GHzUp to 20 meters
Warranty 2 years