abra EVOLVE 80 UC 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. When combined with active noise-canceling technology, you get maximum protection against office noise. The concentration zone is completed with a busy-light indicator that signals user availability to colleagues.