[Plextalk] transfering book from desk top to..

Talking about plextalk, how can I transfer a book from my desk top to the plextalk? I have the USB cord but where do I put it? Sorry if I changed the message sugar "Not that I speak in respect of want: for I have learned, in whatsoever state I am, therewith to be content." -Philippians 4:11 🙏 I appreciate your friendship/support at: https://www.gofundme.com/sugars-transplant-journey -Sugar 😘