iPhone 4GS Feature and Specification

The iPhone 4S camera gives you 8 megapixels — that’s 60 percent more pixels than the camera on iPhone 4. They’re engineered with a higher, full-wellcapacity to collect even more light. With more megapixels and more light, you’ll see a dramatic difference in the resolutionand details of your images. So your photos look stunning everywhere you show them off — on your iPhone, your computer, or your HDTV. And they’re rendered pixel for pixel in prints as large as 8x10. Two cores in the A5 chip deliver up to two times more power and up to seven times faster graphics.2 And you’ll feel the effects. Fast. iPhone 4S is quick and responsive, which makes all the difference when you’re launching apps, browsing the web, gaming, and doing justabout everything. And no matter what you're doing, you can keep on doing it. Because the A5 chip is so power-efficient, iPhone 4S has outstanding battery life.
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iPhone 4GS Feature and Specification -

* Height: 4.5 inches (115.2 mm)

* Width: 2.31 inches (58.6 mm)

* Depth: 0.37 inch (9.3 mm)

* Weight: 4.9 ounces (140 grams)

* Available in White and Black color

* price 16 GB - $199, 32GB - $299 and 64 GB - $399

* Dual-core A5 chip.

* UMTS/HSDPA/HSUPA (850, 900, 1900, 2100 MHz);

* GSM/EDGE (850, 900, 1800, 1900 MHz)

* CDMA EV-DO Rev. A (800, 1900 MHz)4

* 802.11b/g/n Wi-Fi (802.11n 2.4GHz only)

* Bluetooth 4.0 wireless technology

* Assisted GPS

* Digital compass

* Wi-Fi

* Cellular

* 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 coatingon front and back

* Support for display of multiple languages and characters simultaneously

* 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

* 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

* Frequency response: 20Hz to 20,000Hz

* Audio formats supported: AAC (8 to 320Kbps), 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

* AirPlay Mirroring to Apple TV support at720p

* 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 and480i 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 videoup 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) upto 35 Mbps, 1280 by 720 pixels, 30 framesper second, audio in ulaw, PCM stereo audio in .avi file format

* Apple Earphones with Remote and Mic

* Frequency response: 20Hz to 20,000Hz

* Impedance: 32 ohms