Portable Bluetooth speakerphone including Bluetooth dongle. Reduces background noise: Three beamforming microphones ensure that voices are isolated 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. UC-optimized. Modern, portable design. Includes Bluetooth dongle. Enhanced spontaneous conference calls. Collaboration is key to problem-solving, but in the modern workplace, it can be challenging to assemble 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.