Size and Weight
Height: 9.50 inches (241.2 mm)
Width: 7.31 inches (185.7 mm)
Depth: 0.34 inch (8.8 mm)
Weight: 1.33 pounds (601 g)

Storage: 16GB

Wireless and Cellular
Wi-Fi (802.11a/b/g/n)
Bluetooth 2.1 + EDR technology

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

Chip: 1GHz dual-core Apple A5 custom-designed, high-performance, low-power system-on-a-chip

Cameras, Photos, and Video Recording   
Back camera: Video recording, HD (720p) up to 30 frames per second with audio; still camera with 5x digital zoom
Front camera: Video recording, VGA up to 30 frames per second with audio; VGA-quality still camera
Tap to control exposure for video or stills
Photo and video geotagging over Wi-Fi

Power and Battery
Built-in 25-watt-hour 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

Input/Output
30-pin dock connector port
3.5-mm stereo headphone minijack
Built-in speaker
Microphone

Sensors
Three-axis gyro
Accelerometer
Ambient light sensor

Location
Wi-Fi
Digital compass

Audio Playback
Frequency response: 20Hz to 20,000Hz
Audio formats supported: HE-AAC (V1 and V2), AAC (8 to 320 Kbps), Protected AAC (from iTunes Store), MP3 (8 to 320 Kbps), MP3 VBR, Audible (formats 2, 3, and 4, Audible Enhanced Audio, AAX, and AAX+), Apple Lossless, AIFF, and WAV
User-configurable maximum volume limit
Dolby Digital 5.1 surround sound pass-through with Apple Digital AV Adapter (sold separately)

TV and Video
Video mirroring and video out support: Up to 1080p with Apple Digital AV Adapter or Apple VGA Adapter (cables sold separately)
Video out support at 576p and 480p with Apple Component AV Cable; 576i and 480i with Apple Composite AV Cable
Video formats supported: H.264 video up to 720p, 30 frames per second, Main Profile level 3.1 with AAC-LC audio up to 160 Kbps, 48kHz, stereo audio in .m4v, .mp4, and .mov file formats; MPEG-4 video, up to 2.5 Mbps, 640 by 480 pixels, 30 frames per second, Simple Profile with AAC-LC audio up to 160 Kbps per channel, 48kHz, stereo audio in .m4v, .mp4, and .mov file formats; Motion JPEG (M-JPEG) up to 35 Mbps, 1280 by 720 pixels, 30 frames per second, audio in ulaw, PCM stereo audio in .avi file format

Mail Attachment Support
Viewable document types: .jpg, .tiff, .gif (images); .doc and .docx (Microsoft Word); .htm and .html (web pages); .key (Keynote); .numbers (Numbers); .pages (Pages); .pdf (Preview and Adobe Acrobat); .ppt and .pptx (Microsoft PowerPoint); .txt (text); .rtf (rich text format); .vcf (contact information); .xls and .xlsx (Microsoft Excel)

Languages
Language support for English (U.S.), English (UK), French (France), German, Traditional Chinese, Simplified Chinese, Dutch, Italian, Spanish, Portuguese (Brazil), Portuguese ...