Size and weight
* Height: 4.5 inches (115.5 mm)
* Width: 2.4 inches (62.1 mm)
* Depth: 0.48 inch (12.3 mm)
* Weight: 4.8 ounces (135 grams)
Display
* 3.5-inch (diagonal) widescreen Multi-Touch display
* 480-by-320-pixel resolution at 163 ppi
* Fingerprint-resistant oleophobic coating
* Support for display of multiple languages and characters simultaneously
Mac system requirements
* Mac computer with USB 2.0 port
* Mac OS X v10.4.11 or later
* iTunes 8.2 or later (free download from www.itunes.com/download)
* iTunes Store account
* Internet access
Windows system requirements
* PC with USB 2.0 port
* Windows Vista; or Windows XP Home or Professional with Service Pack 2 or later
* iTunes 8.2 or later (free download from www.itunes.com/download)
* iTunes Store account
* Internet access
Location
* Assisted GPS
* Digital compass2
* Wi-Fi
* Cellular
Camera, photos, and video
* 3 megapixels
* Autofocus
* Tap to focus
* Video recording, VGA up to 30 fps with audio
* Photo and video geotagging
* iPhone and third-party application integration
Audio playback
* Frequency response: 20Hz to 20,000Hz
* Audio formats supported: AAC, Protected AAC, MP3, MP3 VBR, Audible (formats 2, 3, and 4), Apple Lossless, AIFF, and WAV
* User-configurable maximum volume limit
Video playback
Video formats supported: H.264 video, up to 1.5 Mbps, 640 by 480 pixels, 30 frames per second, Low-Complexity version of the H.264 Baseline Profile with AAC-LC audio up to 160 Kbps, 48kHz, stereo audio in .m4v, .mp4, and .mov file formats; H.264 video, up to 2.5 Mbps, 640 by 480 pixels, 30 frames per second, Baseline Profile up to Level 3.0 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, 48kHz, stereo audio in .m4v, .mp4, and .mov file formats
Headphones
* Apple Earphones with Remote and Mic
* Volume control
* Frequency response: 20Hz to 20,000Hz
* Impedance: 32 ohms
Connectors and input/output
Power and battery
* Built-in rechargeable lithium-ion battery
* Charging via USB to computer system or power adapter
* Talk time:
Up to 12 hours on 2G
Up to 5 hours on 3G
* Standby time: Up to 300 hours
* Internet use:
Up to 5 hours on 3G
Up to 9 hours on Wi-Fi
* Video playback: Up to 10 hours
* Audio playback: Up to 30 hours
In the box
* iPhone 3G S
* Apple Earphones with Remote and Mic
* Dock Connector to USB Cable
* USB Power Adapter
* Documentation
* SIM eject tool