The Lenovo 100 Stereo USB Headset is a perfect blend of on-ear business-ready stereo USB Headset with rotatable boom microphone and passive noise cancellation for clear audio for VoIP calls. It works with all leading Unified Communication platforms. It is lightweight 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. Adjustable Headband and Boom microphone allows either left-side or right-side wearing. You'll have easy USB-A plug-and-play connectivity and a robust 1.8m cord.