The new Casio LK-280 portable keyboard features a 61-Key Piano Style Touch Response Keyboard with light-up keys. Featuring 600 total onboard Tones, 180 Rhythms, and Reverb plus Chorus Digital Effects. Packed with great features such as Casio's famous Light-up keys and Step-up Lesson System, a 5 track recorder, audio inputs for an MP3 player and a class compliant USB port for MIDI. The LK-280 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 LK-280 more powerful and expressive than anything like it.