49 Accordion Keyboard 　 12 Timbres /10 Rhythms 　　/ 6 Percussions 　 8-Grade Main Volume 　　 / 32-Level Tempo Controls 　 Single Finger & Fingered 　　 / Synchro / Fill In 　 Vibrato / Sustain Effect 　　 2 Teaching Modes 　　 / 3 Minutes Auto Off 　 6 Demo Songs / Demo One / Demo All 　 External Speaker / Microphone 　 External AC Power 　　 / Double Channel Stereo Output 　 Dimensions: 725X255X85(mm) 　 Power: AC 220V 　 Weight: 2 KG　 / Program / Record / Play