The HP Poly TRIO 8800 Large Room PoE IP Conference Phone commands room-filling audio of unmatched quality to large meeting rooms. Specially tuned three cardioid microphones catch every word in a 20 ft. range. Wi-Fi, USB and Bluetooth connectivity are built in. Audio up to 22 KHz with full duplex, echo cancellation and noise reduction with intelligent processing provides superior audio quality. It features a 5-inch (720 x 1280p) color LCD screen with a 9:16 aspect ratio.