2 in 1 design: the numbered musical notation and stave are integrated together. Are you bothered with learning piano or keyboards so difficultly?. or are you willing to learn them by yourself?. And this will be a good helper to help you to know the piano or keyboards quickly.
This product would be ideal for musicians, music enthusiasts, and even non-musicians who want a portable, easy-to-use piano keyboard for practicing or casual use at home or on the go.
