The new Casio keyboard, CTK-4200 portable keyboard, features a 61-Key Piano Style Touch Response Keyboard with 600 total onboard Tones, 180 Rhythms, and Reverb plus Chorus Digital Effects. Packed with great features such as Casio's famous Step-up Lesson System, a 5 track recorder, audio inputs for an MP3 player and a class compliant USB port for MIDI. The CTK-4200 comes with an included power supply but it can run on batteries if you'd like to take your music with you. All this makes CTK-4200 more powerful and expressive than anything like it.

Casio CTK-4200 MIDI Keyboard Maximum Number of Keys: 61 Maximum Number of Polyphony Notes: 48 Key Size Type: Piano Maximum Number of Rhythm Tones: 180 Maximum Number of Tones: 600 Headphone: Yes USB: Yes Maximum Number of Keys: 61 Maximum Number of Rhythm Tones: 180 Maximum Number of Tones: 600