Amazing iPhone 4s

Finally, apple launched iPhone4s with improved memory and amazing features. iPhone4s also introduces new AI technology named siri which is real personal digital assistant for iPhone 4s users. Along with siri technology Apple also improved its camera with attractive 8-megapixel resolution and a custom lens with a larger f/2.4 aperture and Dual-core A5 chip which is most powerful chip for iPhone.
Apple keeps moving forward in introducing new technology and keeps its users hope alive again.

Technical Specifications of iPhone 4s are:

Color: White and Black
Capacity: 16GB, 32GB and 64GB
Price: $199, $299 and $399
Size: 4.5 X 2.31 inches and Weight: 140 grams
Cellular and Wireless:
World phone
UMTS/HSDPA/HSUPA (850, 900, 1900, 2100 MHz);
GSM/EDGE (850, 900, 1800, 1900 MHz)
CDMA EV-DO Rev. A (800, 1900 MHz)
802.11b/g/n Wi-Fi (802.11n 2.4GHz only)
Bluetooth 4.0 wireless technology
Location: Assisted GPS and GLONASS
Digital compass
Wi-Fi
Cellular
Camera, Photos and Video:
8-megapixel camera
Autofocus
Tap to focus
Face detection in still images
LED flash
Video recording, HD (1080p) up to 30 frames per second with audio
Video stabilization
Front camera with VGA-quality photos and video at up to 30 frames per second
Photo and video geotagging
Display:
Retina display
3.5-inch (diagonal) widescreen Multi-Touch display
960-by-640-pixel resolution at 326 ppi
800:1 contrast ratio (typical)
500 cd/m2 max brightness (typical)
Fingerprint-resistant oleophobic coating on front and back
Support for display of multiple languages and characters simultaneously
Power and Battery:
Built-in rechargeable lithium-ion battery
Charging via USB to computer system or power adapter
Talk time: Up to 8 hours on 3G, up to 14 hours on 2G (GSM)
Standby time: Up to 200 hours
Internet use: Up to 6 hours on 3G, up to 9 hours on Wi-Fi
Video playback: Up to 10 hours
Audio playback: Up to 40 hours
Audio Playback:
Frequency response: 20Hz to 20,000Hz
Audio formats supported: AAC (8 to 320 Kbps), Protected AAC (from iTunes Store), HE-AAC, MP3 (8 to 320 Kbps), MP3 VBR, Audible (formats 2, 3, 4, Audible Enhanced Audio, AAX, and AAX+), Apple Lossless, AIFF, and WAV
User-configurable maximum volume limit
TV and Video:
AirPlay Mirroring to Apple TV support at 720p
Video mirroring and video out support: Up to 1080p with Apple Digital AV Adapter or Apple VGA
Adapter (adapters sold separately)
Video out support at 576p and 480p with Apple Component AV Cable; 576i and 480i with Apple
Composite AV Cable (cables sold separately)
Video formats supported: H.264 video up to 1080p, 30 frames per second, High Profile level 4.1 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 per channel, 48kHz, stereo audio in .m4v, .mp4, and .mov file formats; Motion JPEG (M-JPEG) up to 35 Mbps, 1280 by 720 pixels, 30 frames per second, audio in ulaw, PCM stereo audio in .avi file format
Sensors:
Three-axis gyro
Accelerometer
Proximity sensor
Ambient light sensor

Specs Reference: http://www.apple.com/iphone/specs.html