*** DISCONTINUED *** Excellent for Internet chat/telephony, speech recognition and applications with voice command-and-control capabilities, the Plantronics .Audio monaural 310 PC headset has a superior noise-canceling microphone for improved speech recognition accuracy. The comfortable monaural design adjusts for left or right side wear, and allows you to hear both your surroundings and your computer. This headset features convenient inline volume and mute controls and a QuickAdjust microphone, to ensure perfect placement. Compatible with popular PC sound cards, just plug it in and start talking. The new .Audio 310 PC headset is the best choice for taking command of your computer with your voice. Features: Noise-canceling microphone boosts speech recognition accuracy Lightweight, flexible headband delivers plush all-day wear Monaural design keeps you connected with your surroundings QuickAdjust telescoping, bendable boom assures ideal placement Cushioned, swivel-mounted earpods adjust to right- or left-side wearing style Compatible with popular PC sound cards Full one-year warranty