ClearOne 910-159-256 Chat60U Speakerphone Crisp, Clear Audio : Distributed Echo Cancellation and noise cancellation along with full-duplex performance and automatic level controls guarantee your conference calls to be natural with unmatched audio clarity without any distractions Multi-device Compatibility: CHAT 50 is versatile for use with your PC and mobile phones and your enterprise telephones to experience crystalclear HDConference audio using your convenience device with hands-free comfort Complete Portability: Sleek enough for professional office environment, yet rugged enough to toss in your bag and take on the road. Powered through USB, CHAT 60-U is a truly plugand-play compact device. Perfect for use at your desktop, home office, executive office, huddle space or during your travel or home use