EPOS Audio 1000937, EXPAND 40T Bluetooth Speakerphone, Microsoft Teams Certified, Bluetooth & USB-C Connectivity, 3 Beamforming Microphones, Full Duplex Audio, Crystal Clear Sound Performance, Battery Life: Up to 18 Hours, Portable Design, Bluetooth USB Dongle Included, Suitable for Meetings Up to 8 Participants, 2 Year Warranty