The Jabra EVOLVE 20 UC Mono is a professional headset specifically designed to improve conversations. Its state-of-the-art, noise-cancelling microphone eliminates noise, so you can hear more and be better focused on the conversation. The Jabra EVOLVE 20 UC Mono comes with a control unit that supports comfortable and easy access to its most used functions, such as volume and mute. You are also able to answer calls and close calls directly at the control unit thereby increasing your overall flexibility, so you can better focus on the conversation. The Jabra EVOLVE 20 UC Mono is optimised for Unified Communication, providing instant plug-and-play installation for your headset. The headset works perfectly with all leading vendors of Unified Communication systems, so you can focus on the conversation.