Discover the power of crystal-clear audio in large spaces with the Logitech Expansion Microphones for GROUP System. Designed to extend the reach of your GROUP video conferencing system, these microphones allow up to 20 participants to collaborate effortlessly in a spacious room, eliminating the need to crowd around a single speakerphone. Experience superior sound quality with a voice pickup range that extends up to 28 feet (8.5 meters). This ensures every participant's voice is captured and heard, promoting effective communication during your meetings. Simply plug these expansion microphones into your GROUP speakerphone and they will be automatically recognized and configured, making setup a breeze.These Logitech Expansion Microphones also feature a convenient microphone mute button, providing those seated at the far end of the table with the ability to mute the entire speakerphone system. An intuitive indicator light provides visual cues, showing when the microphone is muted, when a call is active, and when Bluetooth wireless pairing is in progress. Enhance your video conferencing experience with the Logitech Expansion Microphones for GROUP System, the perfect solution for superior audio in large rooms.