The Yealink YHS34 Lite Mono is an over-the-head style headset. It supports QD (Quick Disconnect) feature and it is compliant with the full range of Yealink enterprise IP phones. The Yealink YHS34/YHS34 Lite, available in monaural (YHS34/YHS34 Lite Mono) and binaural (YHS34/YHS34 Lite Dual), is a professional analog wired headset with crystal clear audio. The YHS34/YHS34 Lite offers a lightweight form factor that is comfortable to wear, even for an entire workday. It’s suitable for workers who spend a lot of time wearing headsets for voice communications.