Jabra Evolve2 40 SE USB-C/A UC Mono Headset 24189-889-799Supremely comfortable headset engineered to keep you on task, providing xceptional audio, outstanding noise isolation and superior comfort. Perfect for making multiple calls and optimised to work with all UC platforms. Noise cancelling headset cancels 48% of surrounding noise Visible busy light prevents interruptions 3 microphones for superior sound quality Optimised for all day comfort with soft memory foam ear cushions Leak tolerant 40mm speakers UC