Adapterdc12vsize94*36*10cmweight/n.w.4.36kg ym-8810 61 touch response keyboard/lcd display 500 timbres/500 rhythms/61 keyboard percussions music 80 demo songs/3 teaching modes/touch response transformation master volume control/tempo control/transposition control chord volume control/accompaniment volume control/cent control sustain/vibrato/record/program/play back sync/start/stop/fill-in/prelude/postlude single finger chord/multi-finger chord/chord off with usb music player usb music volume control/playing mode/eq mode/ab reread/prev.music or next music selection/paly/pause four-memory function/midi in/midi out/metronome/split/double timbres external power/external microphone/external earphone/audio input external sustain pedal/line out