My First Concert Electronic Kid's 37 Keys Toy Piano Keyboard Set w/ Microphone, Records and Plays Back your Child's Music, Preloaded w/ 8 Rhythms, 8 Instrument Sounds (Colors May Vary) Features: Electric Powered! Piano/Keyboard Set, Comes w/ Microphone Built In Speakers, Can Record & Play Back you Little One's Music, Can Also Plug in your MP3 Player and Use the Keyboard as a Set of Speakers 37 Piano Keys, Comes Preloaded with 8 Different Rhythms and Instrument Sounds Requires 6 AA Batteries to Run (not included) Length: 20" Width: 11"