Expansion MicrophoneSUPERIOR SOUND IN LARGE ROOMSExtend the range of the GROUP video conferencing system with Logitech GROUP Expansion Mics. Accommodate up to 20 people in one large room and make sure everyone’s voice can be heard. Simply plug the microphones into the GROUP speakerphone—they are automatically recognized and configured. An indicator light shows when the microphone is muted, when a call is active, and when Bluetooth wireless pairing has begun. Microphone Type Table microphone Microphone sensitivity 28 dB Microphone frequency 100 - 11000 Hz Microphone Total Harmonic Distortion (THD) 1% Microphone direction type Omnidirectional Microphone mute Yes Noise reduction Yes Ports & interfaces Connectivity technology Wireless Device interface Bluetooth/3.5 mm Maximum operating distance 8.5 m Performance Product colour Black Plug and Play Yes Compatible products Logitech Group Weight & dimensions Height 21 mm Diameter 8.3 cm Microphone weight 230 g Packaging data Package width 95 mm Package depth 195 mm Package height 41 mm Package weight 550.5 g Packaging content Number of products included 2 pc(s) Packaging content Two expansion microphones Logistics data Harmonized System (HS) code 85181000 Master (outer) case width 207 mm Master (outer) case length 220 mm Master (outer) case height 110 mm Master (outer) case gross weight 2.77 kg
