EXPAND 40 Series is your instant conferencing companion. Wireless, light and portable, easy to use and with excellent sound quality for all participants – both in the room and remote. Three beamforming microphones isolate voices from room reverb and ambient noise. Allows simultaneous speech with Industry-leading duplex performance that enables several people to talk at once without being cut off. Works with major UC platforms, for enhanced efficiency across the business. Bluetooth® or USB-C cable for easy plug-and-play conferencing anywhere. Long battery life with up to 18 hours talk time. Supports both personal use and small to medium sized meeting rooms for up to 8 people.