The Yealink WH66 Mono is a top-rated DECT wireless headset available in two models, the WH66 Dual and the WH66 Mono, for a new form of desktop collaboration. It integrates seamlessly with major UC platforms and Yealink IP phones, providing excellent control with its 4.0 inch (480 x 800) capacitive touch screen of the base, and 4 wearing styles, with different sized ear tips to ensure all-day comfort. WH66 Mono is a versatile multitasking tool that allows you to make phone calls, connect with multiple devices, charge mobile phones wirelessly and play as a speakerphone. Deploy effortlessly with plug in and play feature.