Features More book than device --Available Colors Porcelain & Lilac, Porcelain & Silver, Onyx, Device Size 184mm x 120mm (7.2 in. x 4.7 in.),Device Depth 10mm (0.4 in.), Weight 221g (7.8 oz.),Diagonal Display Size 6" E Ink,Screen Grey-Scale 16 Levels, Book Storage Over 1,000 eBooks,Memory Expansion Up to 10,000 eBooks with a 32 GB SD Memory Card, Connectivity Wi Fi, USB,Battery Life 10 days or 10,000 Page Turns,Supported File Formats EPUB, PDF, Pre-Loaded eBooks 100 FREE Classics Included,Fonts 2 Font Styles, 5 Available Sizes