Practice, learn and play at any time. Built with 61 touch responsive keys, 2 powerful in-built speakers, assignable live control knobs, and a range of recording features. This keyboard offers some incredible opportunities for aspiring musicians to explore a range of playing styles and genres. Connectivity could not be any easier than this. With a USB to HOST and USB to DEVICE inputs, you can easily connect your smart devices and computers to the PSR E463. By connecting to an external audio player via the AUX-In jack, you can play along with your favorite songs or record your performance to a USB flash drive.