The Apple iPad, formerly referred to as the Apple Tablet, is a touch-pad tablet computer announced in January 2010, to be shipped on April 3rd (for WiFi-only units) and late-April (for 3G units). It has internet capabilities running on either WiFi or 3G, and offers an optional dock with a full size mechanical keyboard. The 3G is provided by AT&T , but comes unlocked with microsim cards on the GSM network. The 3G does not require a long-term contract. Pricing scheme WiFi Model 16 GB - $499 32 GB - $599 64 GB - $699 3G Model 16 GB - $629 32 GB - $729 64 GB - $829 iPad Specifications 1GHz Apple A4 processor (custom) 0.5″ thick 1.5 pounds Display 9.7-inch (diagonal) LED-backlit glossy widescreen Multi-Touch display with IPS technology 1024-by-768-pixel resolution at 132 pixels per inch (ppi) Fingerprint-resistant oleophobic coating Support for display of multiple languages and characters simultaneously Sensors Accelerometer Ambient light sensor Compass Input and Output Dock connector 3.5-mm stereo headphone jack Built-in speakers Microphone SIM card tray (Wi-Fi + 3G model only) Audio Playback Frequency response: 20Hz to 20,000Hz Audio formats supported: AAC (16 to 320 Kbps), Protected AAC (from iTunes Store), MP3 (16 to 320 Kbps), MP3 VBR, Audible (formats 2, 3, and 4), Apple Lossless, AIFF, and WAV User-configurable maximum volume limit Battery and Power Built-in 25Whr rechargeable lithium-polymer battery Up to 10 hours of surfing the web on Wi-Fi, watching video, or listening to music Charging via power adapter or USB to computer system Other Specs