Unlike tablets, Kindle Paperwhite 3G is designed to deliver the best reading experience, period. Kindle Paperwhite 3G has no screen glare in bright sunlight, a battery that lasts weeks, not hours, and a next gen built-in light that allows you to read without eyestrain. Includes free 3G wireless-no hunting or paying for Wi-Fi hotspots, no annual contracts or monthly fees; 3G wireless works globally.