JABRA EVOLVE2 40 UC USB A Noise Isolation Stereo On Ear Wired Headset with Mic - BlackCancels more noise than ever before Put on your Evolve2 40 and feel the noise around you instantly fade. Memory foam oval ear cushions and pioneering new angled design cancel 48% more of the noise around you. Guard your concentration zone with an enhanced busylight New and improved busylight is four times more visible, allowing you to be seen from every angle, for even fewer interruptions. So you can work in peace. Make good calls when it matters The