Discrete hidden boom arm. Foldable boom arm offers the best of both worlds, with amazing call quality in the office and on the go. Outstanding noise cancellation. Enhanced memory foam padding and improved ANC cancels 54% more of the noise around you from the moment you put it on. 40mm speakers. Powerful leak-tolerant 40mm speakers give you rich, high definition audio for your music and calls. 10-microphone call experience. Experience a whole new standard of calls on the go, with 10 built in microphones. Industry-leading battery life. Get up to 37 hours of battery on a single charge, with a headset that's designed to help you power through the week. UC-certified means UC-satisfied. When collaboration is easy, everyone is happy, with both their UC platform and their headset.