Yamaha PSR-F52 Digital Keyboard

61-key Portable Arranger with 136 Voices (41 World Voices) and 158 Styles (75 World Styles), 69 onboard Songs, Free digital Song Book, Various functions (Panel Sustain, Metronome, Sound Boost and more!), Built in Speakers /Headphones output, 6xAA Battery operation or Included AC adapter