PLANTRONICS Audio 630 Binaural Noise Canceling Headset-414, Economical wideband corded headset, Inline controls for volume and mute, Bendable mic boom contours to your face, Fingertip control over volume and mute and QuickAdjust? boom assures ideal microphone placement Optimized for Microsoft® Office Communicator 2007 and Microsoft® LyncTM 2010, the multi-purpose Plantronics .Audio 630M headset delivers crisp voice communications and audio video capability. Boasting hi-fi stereo and USB-enhanced digital sound, the .Audio 630M incorporates crisp wideband audio that heightens customers satisfaction through drastically reduced errors and repeats. A comfortable binaural design provides wearers with total-focus sound reduction and includes volume and mute controls right on the headset. Featuring a noise-canceling microphone, adjustable boom, and soft swiveling ear cushions, the .Audio 630 is designed for periodic use throughout the work day for immersive conference calls.