WG101/B--The Plantronics Savi Go is a bluetooth headset MOC Certified SQL 12 that connects to Office Communicator 2007 or your mobile phone. Connect to PC and mobile devices; seamlessly switch between the two Seamlessly switch between PC and mobile phone communications Optimized plug-and-play solution for Microsoft Office Communicator 2007 Bluetooth range optimized for in-office mobility Wideband PC audio delivers heightened speech clarity and life-like fidelity Single-button controls call answer/end volume and mute Choice of easy-fit earloop or adjustable headband Extended boom and noise-canceling microphone clarify voice transmission in bustling environments Discretely sized charging stand keeps desk uncluttered