IP Phone Wireless Headset Adapter
Supports Yealink SIP-T58A/T57W/T54W/T53W/T53/T48S/T46S/T42S/T41S;
Full compatible with wireless headsets, including Jabra, Plantronics, Sennheiser, etc;
1×USB 2.0 connector，1×RJ-9(4P4C), 1xRJ-45(8P8C)