inputs.text: crystal clear display easy eyes - ereader exactly claims inexpensive easy use type screen crystal clear read small type reading txt rtf epub file enlarge type 32x make easier read zoom feature work not pdfsyou also rotate display maintain many bookmarksit takes standard aa batteries dont worry recharging lithiumion pack running juice roadyou add 32 gb memory standard sd cards 4 8 gb cheapesthere advice first buy extra sd cards right bat reader comes preloaded many wonderful books 10mb left books preloaded books good delete buy couple spare cards use backups tooalso buy sd card reader linuxbased device doesnt play nice windows standard usb connectionif want crystal clear type utmost portability ereader