Casio WK-3500 Keyboard 76 Full Size Keys and Pro Quality Touch Sensitive Response 76 Full-Size key Musical Keyboard 790 Tones and 232 Digital Effect with a Digital Equalizer Powerful bass reflex loudspeaker adds volume to the lower range SmartMEDIA Card slot to upload MIDI files, timbres, drum sets, rhythms, wave data and much more Integrated floppy disk drive to upload files