The CHAT HAT 60-U speakerphone is designed to provide crystal clear, full-duplex, HD audio for unified communications, VoIP and other audio conferencing applications in the home office or on the move. It features raised, push-button controls for speaker volume, mute and call On/Off hook. Incorporating ClearOne"s HDConference technology, the CHAT HAT 60-U delivers acoustic echo cancellation, noise cancellation and automatic audio level control, all critical for natural, free-flowing conversation and clear, rich sound quality.