Size and weight1
- Height:
- 4.5 inches (115.2 mm)
- Width:
- 2.31 inches (58.6 mm)
- Depth:
- 0.37 inch (9.3 mm)
- Weight:
- 4.8 ounces (137 grams)
Capacity3
- 16GB or 32GB flash drive
Cellular and wireless
- UMTS/HSDPA/HSUPA (850, 900, 1900, 2100 MHz)
- GSM/EDGE (850, 900, 1800, 1900 MHz)
- 802.11b/g/n Wi-Fi (802.11n 2.4GHz only)
- Bluetooth 2.1 + EDR wireless technology
Display
- Retina display
- 3.5-inch (diagonal) widescreen Multi-Touch display
- 960-by-640-pixel resolution at 326 ppi
- 800:1 contrast ratio (typical)
- 500 cd/m2 max brightness (typical)
- Fingerprint-resistant oleophobic coating on front and back
- Support for display of multiple languages and characters simultaneously
Location
- Assisted GPS
- Digital compass
- Wi-Fi
- Cellular
Audio playback
- Frequency response: 20Hz to 20,000Hz
- Audio formats supported: AAC (8 to 320 Kbps), Protected AAC (from iTunes Store), HE-AAC, MP3 (8 to 320 Kbps), MP3 VBR, Audible (formats 2, 3, 4, Audible Enhanced Audio, AAX, and AAX+), Apple Lossless, AIFF, and WAV
- User-configurable maximum volume limit
Mac system requirements
- Mac computer with USB 2.0 port
- Mac OS X v10.5.8 or later
- iTunes 9.2 or later (free download from www.itunes.com/download)
- iTunes Store account
- Internet access
Windows system requirements
- PC with USB 2.0 port
- Windows 7; Windows Vista; or Windows XP Home or Professional with Service Pack 3 or later
- iTunes 9.2 or later (free download from www.itunes.com/download)
- iTunes Store account
- Internet access
Environmental requirements
- Operating temperature: 32° to 95° F
(0° to 35° C) - Nonoperating temperature: -4° to 113° F
(-20° to 45° C) - Relative humidity: 5% to 95% noncondensing
- Maximum operating altitude: 10,000 feet (3000 m)
TV and video
- 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
- Support for 1024 by 768 pixels with Dock Connector to VGA Adapter; 576p and 480p with Apple Component AV Cable; 576i and 480i with Apple Composite AV Cable (cables sold separately)
http://www.apple.com/iphone/specs.html