No, I can't say it's formal. Although it does make sense, I believe there's something wrong with the logical and orderly and consistent relation of parts. If you are trying to talk about the benefits and advantages of ebooks, then in that case it would be wise to start by saying:
Ebooks present many benefits and advantages. They are searchable. Learners can easily check out library books on their e-reader, search for any information in an eBook, purchase (or download) them, and start discussing them with their classmates.