KONIX PN61S 61 Key Silicone Portable Roll Up Piano MIDI KeyboardMain Feature61Key(C3-C8)standard pianoColor: Black128 kinds of tone、 128 kinds of rhythms and 45 demo songsDigital displayMaster volume control key、 rhythmTempo control keyMode selection key(tone and rhythm)Recording、 OOP and playback functionSingle finger chord and multi-finger chordDemo song playDrum kitStart\/stop insert function keySustain and virbrato functionMidi Out functionSingle key teaching functionSuitable for the player who do not need to connect the computer when playingAudio input functionEarphone\/speaker output interface  Touching electronic switchHigher black key than white keyPower-saving function、 and it will power off automatically once no operation for 3 minutesDC 5V external power supply4*AAA batteries power supplyThe Midi output interface not the same as the manual                                                                   Note: The MIDI cable need prepare by yourself.Package1x 61 Keys Piano1x Charger1x Manual