Portable Bluetooth speakerphone including Bluetooth dongle. Reduces background noise: Three beamforming microphones isolate voices from room echo and ambient sounds. Allows simultaneous speaking and listening. Multiple connection options: Bluetooth or USB-C cable for easy plug-and-play conferencing from anywhere. Certified for Microsoft Teams. Modern, portable design. Sleek and portable, wireless Bluetooth speakerphones deliver outstanding audio quality. Join meetings instantly and experience crystal-clear audio quality on both sides of the call. Three beamforming microphones provide a full and dynamic audio experience. Enhanced spontaneous conference calls. Collaboration is essential for problem-solving, but in the modern work environment, it can be challenging to gather a team. The EXPAND 40 series is your companion for instant conferences. Wireless, lightweight, and portable, easy to use, and with excellent sound quality for all participants - both in the room and remotely. Enjoy stylish, functional design. Simple setup and use with multiple connection options (Bluetooth or USB-C cable) for plug-and-play conferencing anywhere. Long battery life with up to 18 hours of talk time. Supports both personal use and small to medium meeting rooms for up to 8 people.