Sometimes you just want absolute peace. This world-class professional headset features the very latest digital hybrid active noise cancellation (ANC), powered by our most advanced digital chipset ever for unprecedented noise isolation. Put this headset on and you are instantly alone with your thoughts. Our busy light is now even more convenient as it is visible from all sides. The red light turns on automatically when you are on a call or in a meeting. You can also turn it on yourself at the touch of a button. So if you are busy, everyone sees that immediately and you can continue undisturbed. In addition, crystal-clear sound quality is essential for clear and professional telephone conversations. That's why we boosted the strong telephone performance of our world-leading Evolve Series even further with 10 (!) Powerful microphones, driven by our favorite digital chipset, so that you always experience excellent call quality.