The Jabra EVOLVE 40 MICROSOFT Stereo is a professional headset designed to improve concentration and conversations. Premium noise-canceling technology gives you peace to work in the noisy, open office effectively creating a concentration zone around you, so you can stay focused on the job. The speakers are built for style and comfort with leatherette ear cushions, and are specifically designed to reduce office noise. The concentration zone is completed with a busy-light indicator that signals user availability to colleagues.Features:- USB adapter with 3.5 mm jack integrated into the control unit allows you to easily connect your- headset to your PC, smartphone and tablet.- Busy light signals user availability.- Microphone boom arm can be integrated into the headband when not on a call or simply listening to music.- Leatherette ear cushions.- Soft pouch included.