Plantronics Savi W720-M, a binaural wireless headset system that is Microsoft Office Communicator 2007/Lync 2010 compatible. It connects to multiple devices but allows you to manage all calls from a single headset. This system unifies communication between your PC, desk phone and now mobile phone calls. Users can also listen to any PC-based audio including music players, streaming audio and video, webinars and podcasts with Savi W720. The headset system features a noise-canceling microphone, wideband audio support, and DECT wireless technology, providing lifelike voice fidelity and the ability to roam up to 350 feet from the base.