The iPhone brings together several features of the iPod, digital camera, smartphones and laptops, even for a device, with a widescreen display and an innovative input method.

With a new entry technology called “Multi-Touch” iPhone offers a unique “home”, and is controlled by dragging a finger in its 3.5-inch touch-sensitive, 160 pixels per inch screen.

The iPhone, which is Mac OS X, iTunes has full integration and seamlessly can also synchronize data with a desktop computer, including music and videos from iTunes, contacts, calendars, photos , Notes, bookmarks and email accounts.

The 11.6 millimetre thick device also sports a 2-megapixel camera, headset jack, 3.5-millimeter audio jack, plateau of the SIM card, a “sleep-wake” switch, speaker, microphone input and iPod with a dock connector. The quad-band GSM + EDGE phone also has Wi-Fi and Bluetooth 2.0 capabilities. Jobs noted 3G capabilities will come in the future.

Three smart sensors also help control the behaviour of iPhone. A proximity sensor goes out and touch screen when the phone is held to the ear. An ambient light sensor automatically adjusts screen brightness to save energy. Meanwhile, an accelerometer allows the phone whether to display portrait or landscape mode.