Interface & PortsStandard stereo phone jack, Stereo mini jack.
Keyboard61 Number of Keys
Other Features61-key, entry-level Portable Keyboard featuring a wide variety of sounds and functions the PSR-E263 is an ideal first keyboard for aspiring musicians who are just starting out, 400 high-quality Voices, 130 auto accompaniment Styles, 112 Songs, easy Song Book (available via web download), Nine-step lesson function (Yamaha Education Suite), Recording function, AUX IN jack for connecting an external audio source.
Polyphony32
PowerBatteries: AA-size x 6 / optional AC Adaptor PA-130