You can always have your entire Kindle library with you. Kindle weighs 8.5 ounces and holds up to 3,500 books. You do not need to pick and choose which books fit in your carry-on. We back up your last page read and annotations, so when you re-download to the device you can pick up where you left off . We automatically keep an archival copy of your Kindle books—re-download for free, anytime. . A single charge lasts up to one month with wireless off. You can leave it always on and go for up to three weeks without recharging. Connect to Wi-Fi at home or on the road. Includes free Wi-Fi access at AT&T hotspots across the U.S. You don`t disturb your partner. Share meaningful passages with friends and family with built-in Twitter and Facebook connection. Kindle's screen reads like real paper, with no glare. Read as easily in bright sunlight as in your living room.Kindle is ready to use right out of the box - no setup, no software to install, no computer required. Organize your Kindle library into collections, or categories, to easily access any book you are looking for. You can add an item to multiple collections to make organizing and finding titles even easier. . Only in the Usa