*** Please call for ordering information. #800-533-4014 *** Optimized for Microsoft Office Communicator, the economical Plantronics .Audio 615M headset delivers comfort and quality audio to occasional headset users. Incorporating full wideband audio, hi-fi stereo, and USB-enhanced digital sound, the .Audio 615M boasts a comfortable monaural design that enables quick on/off and promotes easy conversations with co-workers. Features: Optimized for Microsoft Office Communicator 2007 Supports a wider frequency bandwidth to promote clearer conversations Wideband audio improves speech clarity and decreases errors and listener fatigue Crisp digital audio promotes quality customer communications Crisp conversations with USB-enhanced digital audio Noise-canceling microphone filters out background distractions Noise-canceling microphone delivers superior noise management QuickAdjust boom enables precise microphone positioning Monaural design lets users converse easily with co-workers while wearing the headset Designed for easy on/off for the occasional user Part#: 80298-01