Dazzling Toys Kids musical piano with programmed songs (sings "jingle bells")and sing along mic Piano measures: 29  x 9 x 2 inches. Works well with batteries or plug. (batteries not included) WOW! Comes with programmed songs, like twinkle, jingle bells, twinkle little star and more "Record what your playing"! great option for kids! Kids sing along microphone included, for even more fun! 44 soft keys, great for beginners or practice