With rotatable boom microphone and passive noise cancellation for clear audio for VoIP calls. It works with all leading Unified Communication and Operating System platforms while certified to Google's Work With Chromebook. It is light-weighted for all-day wear with comfortability leather and memory-form earcups. With 30 mm drivers with neodymium magnets, it delivers great audio for VoIP calls as well as for music. You'll have easy USB-A plug-and-play connectivity and robust 1.8m cord. Black.