version Optimized For Microsoft Lync And Microsoft Ocs 2007 Expand The Connectivity Options Of Your Current Dect Headset With The D100 Dect Usb Adapter. When Used With The D100, Plantronics Dect Wireless Headsets (traditionally Used With A Desk Phone) Can Now Be Used With Your Pc - Giving You The Flexibility To Take Your Headset Wherever Work Takes You.advanced Wideband Audio Using Cat-iq Technology For High Definition Voice Qualitydect Technology Provides Extraordinary Sound Quality While Roaming Or Multi-tasking Up To 300 Feet From Your Pc; Eliminates Interference From Wi-fi Networks180-degree Articulation For Optimal Positioning While Connected To The Pc