Explore music, Internet telephony, gaming, DVDs, and voice applications in superb stereo sound with our brand new design. The Plantronics .Audio 645 USB Behind-the-Head Enhanced Multimedia headset features a sleek, comfortable headband that rests stylishly above the neckline for a feather-light fit. Soft, swivel-mounted ear cushions deliver acoustic precision and ensure all-day comfort. A noise-cancelling microphone enhances speech recognition, while the adjustable, pivoting boom assures ideal microphone placement. Convenient inline volume and mute give you full control over your listening and speaking experience. The Plantronics .Audio 645 USB offers a flexible choice of connections; through USB sound card or use the gold plated 3.5mm jacks, either way set up is straightforward.