Yealink UH38 Series Premium USB Headset with dual noise-canceling microphones gives instant peace for you and the one you talk to. Dual voice modes make them different to sound both excellent. Dual busylights, visible in 360°, available to be activated by calling automatically or manual operation, indicate your working state directly. And this is how UH38 defends your daily communication and work from external interruption to boost the productivity and efficiency. Dual mute controls, by raising the Mic-Boom or bottom of the control unit, contribute easier calling management during daily using. From ID to material, people caring is the heart of the UH38 headset, Ultra-lightweight design, breathable wearing and easily replaced ear cushion ensure all-day zero fatigue using. Special chosen artificial protein leather does less harm to the earth but feels more comfortable to the ears. Universally compatible to work with common calling applications across almost all platforms and operating systems, Yealink Headsets are ready for your business and professional communication from the moment you start with.