This is specially designed for kids and not for professionals.
Connect DC power adapter to Play on DC Power. Power Saving Mode: It Can Be Easily Powered on by connecting DC power adapter of 5V Or By Usb Cable Connected With Any Computer Or Even Power Banks
37 keys, 8 tones, 8 rhythms, MP3 function, 6 demos, Volume control, Tempo control, Song recorder, Song play
One side is speaker, and other side is just for show,comes with one speaker best for kid
