Simple but elegant design The whole housing is made Aluminum alloy and supply different colors for option to meet different conference tables. The compress appearance can be putted on the table and won't occupy extra space on front of speaker. Excellent sound performance Advanced voice processing technology, with the unique design of the microphone head, this unit can be accurate pickup and restore the human voice through a high-quality built-in speakers or an external PA system, original AUDIO-LINK digital ring network technology, Automatic Gain Control Volume (AGC) / automatic frequency control (AFC) technology help reach higher volume without triggering the howling effect, ensures each word spoken is well understood. High tech intelligence platform Timing function, overtime speaking reminder, network control and meeting management, conference Smart reservation, worldwide firmware real-time updates, the integration of IT technologies ensures smart conferencing platform, the SONICON series is one of them.