ClearOne Chat 170 Speakerphone has Distributed Echo Cancellation® & noise cancellation along with full-duplex performance & automatic level controls guarantee your conference calls to be natural with unmatched audio clarity free of any distractions. First-mic priority intelligently activates only the microphone closest to the person speaking, preventing the amplification of ambient noise and room reflections. Three built-in microphones array with 360-degree audio pick up up to 10 feet. Large loudspeakers for rich, clear conferencing and audio playback.  Adaptive modeling continuously samples room acoustics for any changes. Fully-compatible with Skype® for Business and also compatible with popular conferencing applications like WebEx®, GoToMeeting, Collaborate Space, Spontania, Google Hangouts, Skype & more.