Input: USB 2.0 A Male Output: 3.5mm headphone jack, 3.5mm mono microphone jack, 4-pin combo Mic/headphone jack SNR:85dB Frequency response: 20Hz-20KHz With function of disabling headphone and Mic and volume control Supports hot-swapping, no diver needed Supports Windows/Mac OS/ Linux Dimensions: L74*W34*H15.5mm