Distance: 300 feet Features: Collaborate and communicate effortlessly with this optimized for Microsoft Office Communicator 2007 and Microsoft Lync 2010 USB headset system, designed for demanding professionals. Brings DECT audio quality to the PC 180 degree articulation of dongle providing the durability and stability needed in a portable environment Excellent wideband PC audio quality that meets the highest industry standards SoundGuard DIGITAL Technology Control call answer/end, volume and mute with a single button Parts: 1 year limited