Yealink EHS40 Wireless Headset Adapter Electronic Hook Switch

Main Features
●  Supports Yealink T58A/T57W/T54W/T53W/T53/T48S/T46S/T42S/T41S IP Phones (apply to firmware version 83 or later)
●  Compatible with Poly (Plantronics), Jabra, and Sennheiser wireless headsets
●  Simply setup
●  Answer/End call remotely with push of button on wireless headsets
●  Incoming calls alerts will be heard in the headset earpiece

Physical Features
●  1 x USB 2.0 connector
●  1 x RJ45 (8P8C)/1 x RJ9 (4P4C) output port for GN/Jabra/Sennheiser/ Plantronics headset

Poly (Plantronics) Compatibility: CS500 Series (CS510, CS520, CS530, CS540), Savi Office (WO100, WO200, WO300, WO350), Savi 700 Series (W710, W710-M, W720, W720-M, W730, W730-M, W740, W740-M, W745, W745-M, W8210, W8210-M, W8220, W8220-M)

Compatible with: Yealink T41S, T42S, T46S, T48S, T53, T53W, T54W, T57W, T58A