Stereo headset features volume control for your listening pleasure. The 3.5 mm input fits a variety of devices. Design also features a 40mm driver unit, 20Hz-20kHz frequency response, 32 OHM impedance, -54 +/- 3dB sensitivity, and 50MW maximum input. 71"" cord allows a long reach so you can move more freely and relax away from your source device.