Lightweight and comfortable to wear for use in multimedia, gaming and telecommunication systems Quality 27mm Mylar cone driver units deliver full, rich stereo sound Noise cancelling boom microphone insures clear communication, even in noisy environments In-line volume control and microphone mute switch Adjustable headband Headphone frequency response: 20Hz-20KHz Microphone frequency response: 300Hz-18KHz Microphone sensitivity: -62dB +/- 3 percent at 1KHz 1.8m cord length 2 x 3.5mm connections, 1 for the headphones and the other for the Mic Black