Never used. Uses 30PIN IPAD/iPhone connection. Can buy adaptor to newer lightning connector. Powered by batteries( not included) Piano Apprentice with Lighted Mini-Keys for iPad, iPod and iPhone is portable and so easy to use that you can learn to play piano virtually anywhere. Piano Apprentice is the ultimate piano teaching tool, providing light up mini-keys that show you where to place your hands. There's even a headphone jack for quiet practice. Simply connect your iPad, iPod or iPhone, download the free Piano Apprentice app, and start playing piano instantly. Piano Apprentice is a lightweight, highly portable 25-note keyboard and features mini-keys that respond to your touch for maximum expression. It's easy to follow along as acclaimed piano instructor Scott Houston, aka the Piano Guy, appears on the screen demonstrating how to play while the actual keys on Piano Apprentice light up. The Piano Apprentice will even teach you how to read real music notation. The built-in stereo speakers deliver a rich, authentic piano sound. Features & details 25-note lighted keyboard with touch-sensitive mini-keys Follow the lighted keys and learn how to play piano quickly Located near Corporate Woods. Pick up or ship available.