The Jabra EVOLVE 30 II MS Stereo is a professional headset specifically designed to improve conversations. Its state-of-the-art, noise-canceling microphone eliminates noise, so you can hear more and be better focused on the conversation. The Jabra EVOLVE 30 II MS Stereo comes with a USB call control unit with an integrated 3.5mm jack for connectivity to smart devices. The call control unit supports comfortable and easy access to 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 30 II MS Stereo is optimized for Skype for Business, providing instant â€œPlug & Playâ€� installation for your headset. The headset works perfectly with Skype for Business, so you can focus on the conversation.