Further features of the Sennheiser SC60 USB ML headset include: Integrated call control and USB connector, sennheiser HD voice clarity wideband sound for a natural listening experience, noise canceling microphone makes speech transmission crystal clear and suppresses ambient noise in offices, dual sided wearing style for stereo HD sound reproduction even in noisy environments, high comfort large ear pads in an ultra lightweight headset for relaxed wearing, solid construction crafted with look an