The Yealink UH36, available in monaural (UH36 Mono) and binaural (UH36 Dual), is a professional USB wired headset to facilitate the conversations in ways that your concentration zone and focus is easily got in and the listening fatigue is reduced as well. Provided with Yealink USB Connect software and Yealink Device Management Platform/Cloud Service, you are easy to check the device information and upgrade the firmware of one or multiple UH36 headsets. Simple and Flexible Connectivity Runs right out of box, a USB plug-and-play setup makes the connectivity to Yealink IP phones, PC and tablet in touch, and the connectivity via 3.5mm jack to PC and smartphone is ready to work likewise. Noise-Canceling Microphone The noise-canceling microphone allows for the most reduction of outside noise, so the listeners can focus more on the desired sound at hand, the nearby talkers are protected with most call privacy as well. Unparallel Audio Experience Made for calls and music, this headset is kitted out with wideband HD audio technology and passive noise cancellation that ensures a richer and clearer conversations, eliminates background noises as well. All-day-ease The over-the-head style and soft leather ear cushions are easy on your head and ears. Its ergonomic design makes UH36 comfortable enough for long conference calls and all day use. Higher Reliability Deeply integrated with Yealink IP phones that the advanced features, such as volume synchronization and multiple calls control, are just right at your fingertips.