The Casio SA-81 is the perfect start for a musical journey at any age. It features 44 small keys that are just right for small hands, and an easy-to-read LCD display to make exploration a breeze. Using either the built-in stereo speakers or headphones, players can discover their talent with a wealth of high-quality tones and rhythms designed to spark creativity. Learning features such as a metronome and a song library are also built in, making the SA-81 an ideal introduction to learning music. The SA-81 can operate for hours using 6 AA batteries or an AC adapter, and its rugged, portable design is perfect for making music anytime, anywhere.