Battery powered using (3) AA batteries

Buy at www.musicianscart.com Akai Professional MPK Mini Play Midi Controller Keyboard With Built-In Speakers,Standalone mini keyboard with built-in speaker and USB MIDI controller,Built-in sound module with over 128 instrument sounds + 10 drum kits,25 synth-action mini keys,OLED display for easy sound browsing,8 red backlit drum pads (2 banks 16 total),4 knobs edit sounds or send midi (2 banks 8 total),4-way joystick for pitch and modulation control,Built-in arpeggiator,1/8” headphone jack,Battery powered using (3) AA batteries,Computer Interface USB-MIDI communications to Mac/PC,Octaves 10 with Octave Up and Down