These are the official 3G iPhone specifications for size, weight, color, capacity, GPS, display, audio, video, connectors, button and camera.

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: 4.7 ounces (133 grams)

Color
- 8GB model: Black
- 16GB model: Black or white

Capacity
- 8GB or 16GB flash drive

Cellular and wireless
- UMTS/HSDPA (850, 1900, 2100 MHz)
- GSM/EDGE (850, 900, 1800, 1900 MHz)
- Wi-Fi (802.11b/g)
- Bluetooth 2.0 + EDR

Display
- 3.5-inch (diagonal) widescreen Multi-Touch display
- 480-by-320-pixel resolution at 163 ppi
- Support for display of multiple languages and characters simultaneously

 

Power and battery
- Built-in rechargeable lithium-ion battery3
- Charging via USB to computer system or power adapter
- Talk time: Up to 5 hours on 3G, Up to 10 hours on 2G
- Standby time: Up to 300 hours5
- Internet use: Up to 5 hours on 3G, Up to 6 hours on Wi-Fi7
- Video playback: Up to 7 hours8
- Audio playback: Up to 24 hours

Audio
- Frequency response: 20Hz to 20,000Hz
- Audio formats supported: AAC, Protected AAC, MP3, MP3 VBR, Audible (formats 1, 2, and 3), Apple Lossless, AIFF, and WAV
- User-configurable maximum volume limit

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

Video
Video formats supported: H.264 video, up to 1.5 Mbps, 640 by 480 pixels, 30 frames per second

Camera and photos
- 2.0 megapixels Camera located on back of iPhone.
- Photo geotagging
- iPhone and third-party application integration



Connectors and input/output
- 30-pin dock connector
- 3.5-mm stereo headphone minijack
- Built-in speaker
- Microphone
- SIM card tray

External buttons and controls
- Sleep/wake
- Ring/silent
- Volume up/down
- Home

Sensors
- Accelerometer
- Proximity sensor
- Ambient light sensor

 

Language support
- Language support for English, French, German, Japanese, Dutch, Italian, Spanish, Portuguese, Danish, Finnish, Norwegian, Swedish, Korean, Simplified Chinese, Traditional Chinese, Russian, and Polish
- International keyboard and dictionary support for English (U.S.), English (UK), French (France), French (Canada), German, Japanese, Dutch, Italian, Spanish, Portuguese (Portugal), Portuguese (Brazil), Danish, Finnish, Norwegian, Swedish, Korean (no dictionary), Simplified Chinese, Traditional Chinese, Russian, and Polish