We have variety of Microsoft Office Communicator Optimized Headsets (both wireless and corded) that delivers wideband audio performance (200hz - 6800hz).  From the new Plantronics Savi Go (wireless) to the inexpensive Plantronics 615M (corded).  All the Office Communicator headsets are designed specifically for OC, true plug and play and most have Office Communicator controls directly from the headset. Also see our Office Communicator Headset FAQ page