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 workplace, it can be challenging to assemble a team. The EXPAND 40 series is your companion for instant conferencing. 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.