What are iphone 4 features ?

iphone 4 features

Size & Weight:
115.2 mm high
58.6 mm wide
9.3 mm thick
137 grams
Connectivity:
UMTS / HSDPA / HSUPA (850, 900, 1900, 2100 MHz)
GSM / EDGE (850, 900, 1800, 1900 MHz)
802.11b/g/n Wi-Fi (802.11n 2.4GHz only)
Bluetooth wireless technology 2.1 + EDR
Power and battery:
Rechargeable Li-Ion
Talk time: Up to 7 hours on 3G and up to 14 hours on 2G
Standby time: Up to 300 hours
Internet Use: 6 hours on 3G, 10 hours with Wi-Fi
Video playback: up to 10 hours
Audio playback: Up to 40 hours
Capacity and Color:
16GB version or 32GB flash drive.
Available in white or black
Display:
Retina display
Display 3.5-inch multitouch widescreen (diagonal)
Resolution 960 x 640 to 326 ppi
800:1 contrast ratio (typ)
Fingerprint resistant oleophobic covered both the front and rear
Audio playback:
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
Configurable maximum volume
Video Playback:
Video formats supported: H.264 video up to 720p, 30 frames per second, Main Profile level 3.1 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
Support for 1024 x 768 pixels with Dock Connector to VGA adapter, 576p and 480p Apple Component AV Cable, 576i and 480i with Apple Composite AV Cable Cable
Camera, photos and video:
HD video recording (720p) up to 30 frames per second with audio.
5 megapixel camera
VGA resolution photos and video at 30fps the front camera
Tap to focus on photos and video
LED flash
Video and photo Geotagging.
Sensors:
Three axis gyroscope
Accelerometer
Proximity
Ambient light sensor

Face Time:

People have dreamed for decades of video calls. The iPhone 4 makes it a reality. With one touch you can wink your children, share a smile with the other side of the world or watch your best friend laughs at your jokes. It runs from 4 to iPhone iPhone via Wi-Fi 4and right out of the box. From now on, be in touch will be more fun than ever.

Retina Display:

The screen of the iPhone Retina 4 offers the most accurate, vibrant and highest resolution you've ever seen on a mobile because it uses 4 times more pixels than previous models of iPhone. The density is so high that the human eye can not distinguish individual pixels. So are the texts with stunning clarity and images areincredibly accurate.

Multi-area:

The iPhone 4 introduces a new concept of multitasking. Now you can use your favoriteapps and switch to another without interruption, without affecting the speed of the activeapplication without draining the battery of necesaria.1 The smartest way to multitask is only available on the iPhone.

HD Recording and Editing

Shoot movies in HD. Spectacular record video even in low light, thanks to the rear light sensor built-in LED light. Then you can edit and create your little masterpieces directly on the iPhone 4 with the new iMovie themes, transitions and titles designed by Apple.Coming soon to the App Store.

5MP camera with LED Flash

Take pictures and bright in detail with the new 5 megapixel camera with integrated LEDflash. The advanced sensor BSI (rear light sensor) captures snapshots perfect even in low light. And the new front camera is perfect for self-portraits.