The PSR-E263 is an ideal first portable keyboard for aspiring musicians who are just starting out.The Yamaha PSR-E263 Portable Keyboard is packed full of great sounds and features, ideal for aspiring musicians who are just starting out. Use the on-board lesson feature, Yamaha Education Suite (Y.E.S.), to learn the 102 preset songs, or take advantage of 400 instrument Voices and 130 Styles to experiment and create your own music. The AUX IN jack turns the PSR-E263 into a speaker system for your MP3 player so you can play along or just listen. The PSR-E263 comes with an adaptor.