Microphone - desktop, connection via Bluetooth, cord length: 2,4m, capacitor, omnidirectional pickup, frequency: from 100Hz to 11000Hz  Enhance your Logitech video conferencing system with a pair of top-of-the-line microphones. Logitech Group captures sound in a 6-metre radius, but if you are in larger rooms, these microphones extend it up to 8.5 metres. Simply connect them to the Logitech Group and all the configuration is done automatically. You can start using them immediately without any additional set up. Each device is equipped with a mute button and a light indication that indicates its status (muted/active) or a call in progress.Key featuresHigh-quality expansion microphones setElegant designEasy installationMute buttonDimensions:83 × 83 × 21mmThe cable length:2.4m