Lenovo 100 Mono USB Headset is perfect blend of on-ear business-ready Mono 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 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. Adjustable Headband and Boom microphone allows either left-side or right-side wearing. You'll have easy USB-A plug-and-play connectivity and robust 1.8m cord.