Logitech Group Expansion Microphones for Video & Audio Conferencing Add-on mics for larger groups SUPERIOR SOUND IN LARGE ROOMS Logitech Expansion Microphones extend the range of the GROUP video conferencing system and comfortably allow up to 20 people to collaborate in one large room. Participants no longer need to huddle around the speakerphone. HEAR UP TO 28 FEET GROUP Expansion Mics feature a voice pickup range up to 28 feet (8.5 meters), so everyone’s voice can be heard. Simply plug the microphones into the GROUP speakerphone—they are automatically recognized and configured. HEAR UP TO 28 FEET GROUP Expansion Mics feature a voice pickup range up to 28 feet (8.5 meters), so everyone’s voice can be heard. Simply plug the microphones into the GROUP speakerphone—they are automatically recognized and configured. EASILY MUTE CALLS A microphone mute button lets those at the far end of the table mute the entire speakerphone system. The indicator light shows when the microphone is muted, when a call is active, and when Bluetooth® wireless pairing has begun. Dimensions Expansion Mics Height x Width x Depth: 83 mm x 83 mm x 21 mm Weight: 230 g System Requirements Logitech GROUP Technical Specifications Connection Type: Plug-and-play Indicator Lights (LED): LED to confirm video streaming, microphone mute, on-hold, and Bluetooth pairing. Microphone Type: Mono, wideband, noise canceling Buttons / Switch: Microphone mute Cable length: 2.4 m Package Contents Two expansion microphones Warranty Information 1-Year Limited Hardware Warranty Part Number PN 989-000171