Yamaha PSRE453 - 61 Key Touch Response Portable Keyboard with Powerful On Board Speakers in Black with Stand, Bench, Survival Kit, Piano Book and Dust Cover 758 High Quality Voices & 48-Note Polyphony 220 Preset Styles & 378 Music Database Titles Live Knob Control Knobs & DJ Pattern Mode USBAudio & MIDIConnectivity USB to Device Connectivity