Put on the Dell Pro Stereo Headset - UC350 and experience exceptional sound quality, whether during conference calls or while listening to your favorite music. Enjoy optimized call quality and clear music playback with HD wideband audio and a dynamic equalizer. The UC350 works with most major unified communication platforms and is certified for Microsoft Skype for Business. The Dell Pro Stereo Headset - UC350 features a built-in noise-canceling microphone that captures only your voice, not the background noise of your surroundings. Comfortable leatherette ear cushions provide passive noise isolation and eliminate high-frequency ambient sounds.