Active Noise Cancellation (ANC) technology on this wired headset eliminates distractions, tuning out the noise around you so you enjoy deep focus with the push of a button Environmental Noise Cancelling (ENC) technology ensures superior call quality by minimizing background noise so you can be heard loud and clear Certified for Microsoft Teams guarantees that this headset provides world-class audio, effortless plug-and-play, and in-call controls that deliver the best possible Microsoft Teams & Skype for Business experience Enjoy all-day comfort with a USB-C headset that offers a universal fit (left and right-sided boom mic); flip mic up to mute and down to unmute Intuitive in-line controls for TEAMS, calls, microphone mute/unmute, volume, play/pause, ANC, and talk-though