The Sennheiser EPOS ADAPT 661 (1001004) headset is designed for professional work and comfortable communication in the office or remotely. It combines advanced active noise cancellation that effectively isolates ambient sounds with high-quality audio for clear calls and video conferences. Wireless connectivity via Bluetooth and USB provides flexible use with computers and mobile devices. The noise-canceling microphone ensures that your voice is transmitted clearly even in noisy environments. Its lightweight ergonomic design with soft ear pads allows all-day comfort, while long battery life makes the ADAPT 661 an ideal solution for productive work and online communication.