Featuring a 76-key, touch-sensitive keyboard and an all-new tone generator that delivers a broad selection of high-quality Voices, the PSR-EW310 is a perfect starter keyboard for the more serious piano beginner. AC Adaptor sold separetly PA-130, PA-3C, or an equivalent recommended by Yamaha) or batteries (Six “AA” size alkaline (LR6), manganese (R6) or Ni-MH rechargeable (HR6) batteries)
