iphone - Technical Specifications it boosts about....

Operating Frequency :
GSM Quad-band (850, 900, 1800, 1900 MHz)

Operating system :
OS X

Size and weight Height:
4.5 inches (115 mm)
Width: 2.4 inches (61 mm)
Depth: 0.46 inch (11.6 mm)
Weight: 4.8 ounces (135 grams)

Audio formats supported:
AAC, Protected AAC, MP3, MP3 VBR, Audible (formats 1, 2, and 3), Apple Lossless, AIFF, and WAV

AudioFrequency response:
20Hz to 20,000Hz

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 768 Kbps, 320 by 240 pixels, 30 frames per second, Baseline Profile up to Level 1.3 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

Camera :
2.0 megapixels

Capacity :
4GB or 8GB flash drive

Display :
3.5-inch (diagonal) widescreen multi-touch display
480-by-320-pixel resolution at 160 dpi
Support for display of multiple languages and characters simultaneously

Getting Wireless :
Wi-Fi (802.11b/g)
EDGE
Bluetooth 2.0+EDR

Input and output :
iPhone 30-pin dock connector 3.5-mm stereo headphone minijack
iPhone Dock: Dock connector

Power and battery :
Built-in rechargeable lithium ion battery
Talk time: Up to 8 hours2
Standby time: Up to 250 hours3
Internet use: Up to 6 hours4
Video playback: Up to 7 hours5
Audio playback: Up to 24 hours6

System requirements for Mac users :
Mac computer with USB 2.0 port Mac OS X v10.4.10 or later

Headphones :
Stereo earphones with built-in microphone
Frequency response: 20Hz to 20,000Hz
Impedance: 32 ohms

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)