Yealink EHS35. Product type: Interface adapter, Product colour: Black The new and advanced Yealink Headset Adapter EHS35 provides a technical interface between your Yealink IP phones (T3X) and a compatible Yealink wireless headset (WH62/WH63). The unit is easy to install, simply link EHS35 to the RJ9 (4P4C) headset port of the phone. Its plug-and-play effectively gives you the ability to remotely control your Yealink phone calls, including answering, rejecting, holding, muting, hanging up, switching between multiple calls, and adjusting the volume. Features Product type Interface adapter Brand compatibility Yealink Compatibility T30/T30P/T31/T31P/T31G/T33P/T33GWH62/WH63 Product colour Black Ports & interfaces Connector 1 RJ-9 Connector 2 Micro-USB USB ports quantity 1 USB port type Micro-USB