Jabra Evolve 20 Professional headset with easy call management and great sound for calls and music Great sound for calls and music Call control unit for managing calls Plug-and-play connectivity Get more productive Easy call management Get easy access to the most used functions, such as volume and mute. You can also answer and end calls directly from the control unit. Passive Noise Cancellation Simply wear the headset to eliminate high-frequency noise, such as human voices - all thanks to the specially designed ear cushions. Get the basics right Ultimate noise cancellation microphone State-of-the-art, noise-cancelling microphone eliminates background noise. The ear cushions are designed to reduce high-frequency sounds. You and your conversation partner won't struggle to hear each other. Plug-and-play setup The headset works out of the box with all leading systems. Installation is as easy as simply plugging it in. Compatible with your platform All Jabra USB headsets and speakerphones work with all the most popular online voice call services. Technical specifications Packaging dimensions L 23 x W 18 x H 3. 5 cm Weight 0.