Apple Iphone 4S Specifications:
* Network:
o World phone
o UMTS/HSDPA/HSUPA (850, 900, 1900, 2100 MHz);
o GSM/EDGE (850, 900, 1800, 1900 MHz)
o CDMA EV-DO Rev. A (800, 1900 MHz)3
o 802.11b/g/n Wi-Fi (802.11n 2.4GHz only)
o Bluetooth 4.0 wireless technology
* Location:
o Retina display
o 3.5-inch (diagonal) widescreen Multi-Touch display
o 960×640-pixel resolution at 326 ppi
o 800:1 contrast ratio (typical)
o 500 cd/m2 max brightness (typical)
o Fingerprint-resistant oleophobic coating on front and back
o Support for display of multiple languages and characters simultaneously
* Camera Photos and Video:
o 8-megapixel camera
o Autofocus
o Tap to focus
o Face detection in still images
o LED flash
o Video recording, HD (1080p) up to 30 frames per second with audio
o Video stabilisation
o Front camera with VGA-quality photos and video at up to 30 frames per second
o Photo and video geotagging
* Power and Battery:
o Built-in rechargeable lithium-ion battery
o Charging via USB to computer system or power adapter
o Talk time: Up to 8 hours on 3G, up to 14 hours on 2G (GSM)
o Standby time: Up to 200 hours
o Internet use: Up to 6 hours on 3G, up to 9 hours on Wi-Fi
o Video playback: Up to 10 hours
o Audio playback: Up to 40 hours
