Sennheiser SC230 Monaural Wideband Headset - Wide Band Monaural headset with Noise Cancelling mic - high impedance for standard phones, Easy Disconnect. Perfect for hot-desking Sennheiser USB headset adapter cables for CIRCLE SC 230 are ideal for contact centers and hot-desking environments with UC or softphones, where users frequently change shifts. The Easy Disconnect plug provides walkaway convenience and allows the headset to detach while putting the call on hold. Sennheiser's Easy Disconnect plugs are ideal for contact centers and hot desking offices, where users frequently change shifts or switch between workstations. With their simple, quick release mechanism, durable Easy Disconnect plugs are designed to withstand the repetitive plugging and unplugging of shift changes. Bendable boom arm with its bendable boom arm, your microphone remains in an optimal position for your voice to be picked up clearly, and stays in place without adjustment, all day long. Pivot perfect placement wear it on the right or on the left, it's up to you. Thanks to its 350? rotation axis, your microphone can always be placed at the angle that suits you best.