Tech : iPhone 3G specification

Specifications :

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)

• 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

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

Camera and photos
2.0 megapixels
Photo geotagging
iPhone and third-party application integration

Power and battery
Built-in rechargeable lithium-ion battery3
Charging via USB to computer system or power adapter
Talk time:4
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 3G6
Up to 6 hours on Wi-Fi7
Video playback: Up to 7 hours8
Audio playback: Up to 24 hours9