Put on your Evolve2 40 SE - the noise around you disappears immediately. With the insulating foam of the oval ear cushions and the pioneering design of the angled earpiece, you benefit from outstanding noise cancellation. Concentrated work no matter where you are. Please do not disturb! The Busylight is eye-catching and clearly visible from all directions. The red LED is automatically activated when you are in a conversation or meeting. You can also activate it yourself at the touch of a button. Even in the middle of open-plan offices, the highly visible Busylight protects you from all interferences. Perfect voice quality is essential for professional calls. Therefore, the Evolve2 40 SE are equipped with three powerful, strategically placed microphones.