Main Features > 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
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