Kindle DX Wireless Reading Device, Free 3G, 9.7" Display, White, 3G Works Globally - 2nd Generation [Includes USB Cable for Charging] Revolutionary electronic-paper display provides a sharp, high-resolution screen that looks and reads like real paper. Simple to use: no computer, no cables, no syncing. Wireless connectivity enables you to find, buy, and read instantly&#8212;whether you&#8217;re in the back of a taxi, at the airport, or in bed. Shop the Kindle Store directly from your Kindle. Buy a book and it is auto-delivered wirelessly in less than one minute.