Plug-and-play
USB connectivity to Yealink IP Phones, includingT41S/T42S/T46S/T48S/T42U/T43U/T46U/T48U/T53/T53W/T54W/T57W/T58A/VP59(T41S/T42S/T46S/T48S should be upgraded to version 82 or higher)
USB and 3.5 mm connectivity to PC and smart device
HD Voice/Wideband speaker performance
Noise-canceling microphone and passive noise cancellation
ActiveProtection technology safeguards users from acoustic injury
Integrated LED indicator and warning tone
330° bendable boom arm for easy adjustment without breaking