Portable wireless speakerphone For small conferences with up to 7 participants. Can be expanded for up to 18 participants with the EXPAND 80 microphone. Choice of Bluetooth and USB-C offers flexible connectivity. Six long-range noise-cancelling microphones with echo suppression and a low-distortion speaker enable crystal-clear, natural conversation even in 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