The Chat 170 is a group USB speakerphone for web conferencing with echo and noise cancellation along with full-duplex performance, automatic level controls, and adaptive modeling constantly samples room acoustics for any changes to optimize audio output. It utilizes three built-in microphone array with 360-degree audio pickup within 10 feet. Additionally, it is daisy-chainable to expand up to two complete speakerphones to cover medium-sized rooms. The full speakerphone expandability enables both mic and speaker to cover the entire room along with the flexibility of control using any speakerphone.