Plug-and-playUSB connectivity to Yealink IP PhonesIncluding T41S/T42S/T46S/T48S/T42U/T43U/T46U/T48U/T53/T53W/T54W/T57W/T58A/VP59HD Voice/Wideband speaker performanceNoise-canceling microphone and passive noise cancellationActiveProtection technology safeguards users from acoustic injuryIntegrated LED indicator and warning tone330° bendable boom arm for easy adjustment without breakingGtin number: 6938818305588Simple and Flexible ConnectivityRuns right out of box, a USB plug-and-play setup makes the connectivity to Yealink IPphones, PC and tablet in touch, and the connectivity via 3.5mm jack to PC and smartphoneis ready to work likewise.Noise-Canceling MicrophoneThe noise-canceling microphone allows for the most reduction of outside noise, so thelisteners can focus more on the desired sound at hand, the nearby talkers are protected withmost call privacy as well.Unparallel Audio ExperienceMade for calls and music, this headset is kitted out with wideband HD audio technology andpassive noise cancellation that ensures a richer and clearer conversations, eliminatesbackground noises as well.All-day-easeThe over-the-head style and soft leather ear cushions are easy on your head and ears. Itsergonomic design makes UH36 comfortable enough for long conference calls and all dayuse.Higher ReliabilityDeeply integrated with Yealink IP phones that the advanced features, such as volumesynchronization and multiple calls control, are just right at your fingertips.