OVERVIEW: Add-on microphone with mute control for extended audio range. KEY FEATURES: SUPERIOR SOUND IN LARGER HUDDLE ROOMS: Logitech Expansion Mic for MeetUp provides greater flexibility in huddle room configurations. Meetup’s built-in beamforming mics are optimized for up to 4 meters. To extend that range up to 5 meters, add an Expansion Mic. So whether people are seated at a table, sitting against the wall, or standing, Expansion Mic for MeetUp means everyone will be heard. HEAR CLARITY UP...