Sennheiser PC161 Stereo Multimedia Headset Includes Microphone windscreen Adjustable, bendable and pivotable microphone increases comfort and flexibility Noise-canceling microphone provides for high speech clarity and voice recognition by filtering out the noise around you With the in-line volume control and the microphone mute switch, you can keep sound at the right level or have a side conversation in privacy Equipped with a single-sided extra-thick cable for maximum robustness