Plantronics Savi W740-M Wireless Headset for MOC/Lync 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 and 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.