One owner, barely used. Has 26 high quality note velocity-sensitive slim keyboard. Also has 8 rotary encoders, 4 sliders, and 2 capacitive touch sensors for pitch bend and modulation wheel. Display control includes clickable browsing knob and real time feedback on tweaks and controls. Smart features include built-in arpeggiator, chord mode, hold function, octave up and down buttons and semitone transpose. USB connects to computers and iPad. Midi 5-pin DIN output for connection to external instruments and gear. Control input for pedal: sustain, expression, or footswitch. USB powered.