Compucessory - CCS15155 Cushioned stereo headphones feature a 3.5mm input that fits a variety of devices. Design also features a 40mm driver unit, 20Hz-20kHz frequency response, 32 OHM impedance, 112 +/- 4dB sensitivity, and 100MW maximum input. 3.9' cord allows a long reach so you can move more freely and relax away from your source device.