1. Hu,ShengHao

2.  The iPad 2 is the second and current generation of the iPad, a tablet computer designed, developed and marketed by Apple Inc. It serves primarily as a platform for audio-visual media including books, periodicals, movies, music, games, presentations and web content, and is available in black or white. The iPad 2 has a lithium-ion polymer battery that lasts up to 10 hours, a new dual core Apple A5 processor and VGA front-facing and 720p rear-facing cameras designed for FaceTime video calling.iPadtablet computerApple Inc. lithium-ion polymer batterydual coreApple A5 processor720pFaceTime

3.  Operating system:Ios 5.0.1 Released November 10, 2011; 3 months ago (2011-11-10)  Power : Internal rechargeable non-removable 25 W·h (90 kJ) lithium-ion polymer battery  CPU: 1 GHz dual-core Apple A5  Storage capacity :16 GB, 32 GB, or 64 GB(Flash memory)  Memory: 512 MB DDR2 (1066 Mbit/s) RAM  Display :9.7 inches (250 mm) 4:3 aspect ratio at 132 ppi  Graphics :PowerVR SGX543MP2 67 MPolygon/s 2 GPixel/s fill rate

4. Wi-Fi 16GB: 499 32GB:599 64GB:699 Wi-Fi + 3G 16GB: 629 32GB: 729 64GB: 829