Apple iphone is 25% thinner than its previous versions. Its mesmerizing appearance combined with advanced features redefines the modern technology for mobile phones. Steve jobs called it to be the smartest and thinnest iphone on the planet.
The iPhone 4 has a front-facing camera, and two microphones, 30pin connector for docking, and a HD speaker and following features:

iPhone 4: Retina Display:

One of its distinct features called ‘Retina Display’, metaphorically named, gives a detailed and more crispers image. It contains 326 pixels per inch, which is, in comparison to any iphone or consumer electronics, double and gives enhancing view. The result is a spectacular 3.5-inch display with a native resolution of 960 by 640 pixels. The pixel crispness is more like laser printer. Apple’s Chief executive Officer Steve Job claims that display quality will sooth viewers with super clear text, high-resolution images and videos.

iPhone 4: A4 Chip and Gyroscope:

Apple’s A4 Chip has been developed for enhancing the multitasking performance, placing Face Time Calls, and editing videos and many more. Apple iphone4 comes with most advanced and powerful Operating system, iOS and includes 100 new attractive features and 1500 new APIs for developers.

Steve Job has claimed that A4 Chip improves power management which increases up to 40% talk time on 3G network, 10 hours of WiFi browsing and 6 hours of web browsing. It has the capacity to play consistent 40 hours of music, 10 hours of videos, and has 300 hours of standby time. This iphone 4 will have 32 of onboard flash storage, and will offer quad-band HSDPA/HSUPA for mobile broadband speeds up to 7.2Mbps downstream, 4.8Mbps upstream. Moreover, it will support, 802.11n Wi-Fi, packs and accelerometer, proximity sensor, Bluetooth and an ambient light sensor. Its six-axis motion sensing will act like a gamer controller which will give a new definition to the mobile gaming

iPhone 4: MultiTouch

Apple’s wide glossy screen with multi-touch display and innovative software enables users to control everything with touch. It can register multi touches at once and support advanced gestures.

iPhone 4: Two Microphones

iPhone 4 has two microphones-the main microphone, which is generally for phone calls, memos and voice commands, and the second microphone, which is for Face Time calls and for making phone calls better. These dual-microphones can suppress every surrounding disturbing conversation, loud music silent at the time of receiving calls.

iPhone 4: Advanced Led Camera

iphone 4’s advanced Led camera and superior backside illumination sensor is capable of shooting 5-megapixel photos and landscape or portraits or beautiful images even in low light settings. It is a brilliant device for shooting self-portraits and making FaceTime calls. The camera can record HD video at 720p resolution and 30 frames per second. Users can add music and soundtrack to their videos according to their choices.
iMovies are also available for iphone 4 but it will cost some extra charge of $4.99 from App Store.

iPhone 4: iAds

New Apple iphone has in-application advertising platform for iAds, which according to Jobs’ explanation, is a revenue channel for developers to earn money from applications in ways other than direct sales to users. He adds that Apple is developing high amounts of interactivity and engagement with iAds and will host all the advertising and handle ad sales. It will give a choice to developers to decide where these ads to be placed, and then collect 60 percent of the revenue from placements in their applications.
Steve jobs assures that the iAds run without exiting a user’s application, rather it is providing an interactive experience without causing people annoyance or leave application, or lose work.