Multimedia Stereo Headset with USB adapter offers a full; rich stereo sound. Works with any USB compliant computer using Windows 98SE; ME; 2000 and XP or Vista operating systems. Headband and microphone adjust to fit comfortably. Multimedia headset features volume control; mute function; LED indicator; and 3.5mm stereo input sockets for connecting any computer headset; microphone or speakers. USB specification version 1.1 compliant.