Higher resolution display (300 ppi), with twice as many pixels Now with Bookerly, our exclusive font, hand-crafted from the ground up for faster reading with less eyestrain Built-in adjustable light--read day and night Unlike tablets, no screen glare, even in bright sunlight A single battery charge lasts weeks, not hours Lighter than a paperback, holds thousands of books Exclusive features help build your vocabulary, learn about characters, and connect with like-minded readers--all without leaving the page