Main Features • Supports Yealink T58A/T57W/T54W/T53W/T53/T48S/T46S/T42S/T41S IP Phones • Compatible with Jabra, Plantronics, Sennheiser wireless headsets • Plug and play • Answer incoming call through remote wireless headset • Terminate calls using remote wireless headset key • Incoming calls are signalled 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 • Accessories : - 1 x Jabra Y-Cord - 1 x Plantronics Y-Cord - 1 x Sennheiser Y-Cord