I bought this today for $2 on sale. I only wanted a keyboard for reference on my switch for some quick notes for sheet music. Has no optionsI bought this today for $2 on sale. I only wanted a keyboard for reference on my switch for some quick notes for sheet music. Has no options besides language, one octave, you can't slide between keys. the note sounds are one static noise, (can't be held). Usually $19 dollars is the biggest joke in the world. I'd pay $.50 for this tops if I knew of the quality. At least the piano layout isn't incorrect like the app called 'Piano'.…Full Review »