Kindle 6" Wireless Reading Device Wi-Fi Only - Graphite New, High-Contrast E-Ink Screen - 50% better contrast than any other e-reader. The clearest text and sharpest images. Read in Bright Sunlight - Unlike LCD screens, Kindle's screen reads like real paper, with no glare. Read as easily in bright sunlight as in your living room. Lighter Than a Paperback - At only 8.7 ounces and 1/3 of an inch thin, Kindle is lighter than a paperback and thinner than a magazine. Holds 3,500 Books - Doubled Kindle's storage so you can carry up to 3,500 books. Battery Life of Up to One Month - A single charge lasts up to one month with wireless off. Keep wireless always on and go for up to 10 days without recharging.