I can't find any info on how quick the page turns are? No A4 size? (The reader MaysonL mentions doesn't seem to be on sale yet? I don't see review from 2014, a

I can't find any info on how quick the page turns are? No A4 size? (The reader MaysonL mentions doesn't seem to be on sale yet? I don't see review from 2014, at least?)