Plantronics .Audio 645 USB Behind the Head Headset
The Plantronics .Audio 645 USB headset combines rich stereo sound with digitally enhanced voice quality for Skype, Windows Live, or Yahoo Messenger Internet calling. A choice of connectivity, between analog and USB, makes it easy to plug and play. Enjoy consistent, high-quality audio for Internet calling, playing games, or relaxing with music.   USB-enhanced digital sound quality