Stereo headset is lightweight and comfortable to wear for use with multimedia, gaming and telecommunications systems. Quality 27mm Mylar cone driver unit delivers full, rich, stereo sound. Noise-canceling boom microphone ensures clear communication in noisy environments. Headset offers in-line volume control, microphone mute switch, adjustable headband and 6' cord with two 2.5mm plugs. Headphone frequency response is 20-2 kHz/20-11 kHz, and the microphone sensitivity (at 1 kHz) is 114dB/-59dB.