The Sennheiser USB-ED CC 01 cable adapter offers, in combination with Sennheiser’s CIRCLE™ and CENTURY™ headset variants*, contact centers and offices, an easy to implement and cost-effective transition to a Unified Communications environment.It allows you to make a smooth and cost-effective transition to UC as you can continue using your existing Sennheiser CIRCLE™ and CENTURY™ headsets with Easy Disconnect plug*, maximizing your previous headset investment.The USB-ED CC 01 is ideal for contact centers and hot-desking environments, where users frequently change shifts or work desk, as its durable Easy Disconnect plug with its simple quick-release mechanism reduces wear and tear on vulnerable PC USB ports and plugs.The Easy Disconnect plug provides walkaway convenience and allows the headset to detach while putting the call on hold.*Variants: CIRCLE™ SC 230, SC 260 and CENTURY™ SC 630, SC 660