Amazon Kindle DX main specifications include: 

• Display: 9.7" diagonal E Ink electronic paper display, 1200 x 824 pixel resolution at 150 ppi, 16-level gray scale.
• Size: 0.4" x 7.2" x 0.38"
• Weight: 18.9 oz
• Storage: 4 GB internal (approximately 3.3 GB available for user content)
• Battery Life: A single charge lasts about 4 days with wireless on, two weeks with the wireless off
• Charge Time: Fully charges in approximately 4 hours and supports charging from your computer via the included USB 2.0 cable
• Connectivity: EVDO modem with fallback to 1xRTT; utilizes Amazon Whispernet to provide U.S wireless coverage via Sprint's 3G high-speed data network
• USB Port: USB 2.0 (micro-USB connector) for connection to the Kindle DX power adapter or optionally to connect to a PC or Macintosh computer
• Audio: 3.5 mm stereo audio jack, built-in stereo speakers
• Content Formats Supported: Kindle (AZW), PDF, TXT, Audible (formats 4, Audible Enhanced (AAX)), MP3, unprotected MOBI, PRC natively; HTML, DOC, RTF, JPEG, GIF, PNG, BMP through conversion
• More information: http://www.amazon.com
• Price: USD 489.00