Yealink YHS36 is the over-the-head style headset which is made for the office worker, SOHO, or call center staff. It supports QD (Quick Disconnect) feature and it is compliant with the full range of Yealink enterprise IP phones. The Yealink YHS36, available in monaural (YHS36 Mono) and binaural (YHS36 Dual), is a professional analog wired headset to facilitate the conversations in ways that your concentration zone and focus is easily got in and the listening fatigue is reduced as well. Its ergonomic design and soft leather ear cushions make YHS36 comfortable enough for long all-day use.