The Yealink WH66 is the Industry-leading DECT wireless headset, with WH66 Dual and WH66 Mono two models, opening an entirely new form of desktop collaboration. Work seamlessly with major UC platforms and integrate natively with Yealink IP Phones. 4.0 inch (480 x 800) capacitive touch screen of base offers newly work experience, just one touch, all control. Act as a workstation, managing phone calls, connecting with multiple devices (desk phone/mobile phone/computer), charging mobile phone wirelessly, and even playing a speakerphone's role. Best of all, deploying such a multifunctional workstation only needs to plug directly. Easiest things to do, greatest convenience to enjoy