This piano set includes an electronic keyboard, piano stand, and stool. This electric piano can be powered by mains or batteries (batteries not included). You can carry the 61-key electric piano alone and play anywhere. This piano stand is height-adjustable and has 3 levels of height settings. This electric keyboard piano comes with dual speakers, an LCD screen, and an OTG socket to link display devices. It contains relevant demonstration songs, which are easy to learn. 500 timbres, 300 rhythms, 40 demo songs, and 500 kinds of standard MID tones. MID tones include acoustic piano, electric piano, strings, organ, synthesizer, drum, etc. There are 3 modes of teaching electric piano keyboard. Single key mode, follow mode, accompaniment mode. Digital piano mode settings with gradually increasing difficulty are ideal for beginners and kids. This piano has a recording system and playback capabilities. You can play it back and correct it when you play the piano again. It supports an MP3 U disk playback system. DC jack, pedal interface, stereo headphone output, microphone input, audio input and output, USB MIDI, U disk interface. DC: 9V 500mA. AC: 100-240V.