61-KEY Portable Keyboard with Touch-sensitive Keys 61 Standard Keys (C1-C6) with Touch Response Keyboard Large Backlit LCD Display 504 Instrument Voices including - 116 Standard, 361 XGlite, 5 Sweet, 3 Cool, 12 Drum/SFX, and 15 Arpeggio Voices Pitch Bend and Real Time Control Knobs allow you to modify built-in voices Arpeggiator plays arpeggios when you are playing chords