The Yealink YHS33 is our over-the-head style headset made for office workers, SoHo and call-center staff. It is compliant with the full range of Yealink enterprise IP phones and features an attractive design with large ear-pads, a padded T-bar, pliable steel headband and 330 adjustable microphone boom. It is also ultra-light weight at only 50g. This ensures remarkable user comfort, even when worn all day. Its ultra-noise cancelling technology improves excellent voice quality still further. In addition, the Quick Disconnection jack allows users to leave quickly for short breaks, or to switch over easily to other sound equipment. The YHS33 is unique in the market because of its combination of a comfortable user experience, durable lifecycle, superior voice quality and competitive price.