Sc 60 usb ml is a deployment friendly dual sided headset optimized for microsoft lync features include noise canceling microphone and large comfortable ear pads sc 60 usb ml is designed for users requiring sennheiser stereo sound and call control when working in a unified communications environment features optimized for microsoft lync ndash with integrated call control and usb connector sennheiser hd voice clarity ndash wideband sound for a natural listening experience noise canceli