It impresses with state-of-the-art digital hybrid active noise cancellation (ANC), the latest chipset, and outstanding noise isolation. As soon as you put on the headset, you can work with focus. The new busylight is now even more noticeable 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 with the press of a button. Even in the middle of open offices, the highly visible busylight protects you from all distractions. Being heard and understood clearly and precisely is essential for your calls to be perceived seamlessly and professionally.