Portable wireless speakerphone For small conferences with up to 7 participants. Can be expanded up to 18 participants with the EXPAND 80 microphone. Choice of Bluetooth and USB-C offers flexible connection possibilities. Six long-range noise cancelling microphones with echo suppression and a low distortion speaker with crystal clear playback enable natural conversation in even challenging environments. Supported operating systems: Windows and Mac Range: up to 30 m LED indicators: Volume/mute, Bluetooth, in use, Microsoft Teams notifications Colour: Black/silver Certified for Microsoft Teams Includes: Bluetooth speakerphone with USB-C cable, BTD 800 USB dongle, USB-C/USB-A adapter, universal AC adapter