The Jabra Evolve 20 SE offers a combination of comfort and professionalism. The conveniently located inline control unit makes managing incoming calls extremely easy allowing you to effortlessly answer end or mute calls. This Special Edition's comfortable leatherette ear cushions feature passive noise cancellation which filter out high frequency background noise - and when coupled with the headset's advanced noise cancelling microphone call quality is maximised. This headset is available in monaural or binaural models.