iPhone is extremely thin (only 11.6 millimeters thick) but wider and longer than many comparable devices. The display area is a 3.5-inch touchscreen with unusually high resolution (160 pixels per inch). Unlike most other smartphones, iPhone does not use a hardware keyboard or a stylus. Instead, it uses a system that Apple calls "Multitouch." To navigate, a user uses multiple taps and drags to navigate through a mobile version of Apple's OS X operating system.

iPhone's networking features include:
Automatic detection of WiFi networks.
Support for the 802.11b, 802.11g and 802.11n standards.
The use of quadband GSM and SIM cards to access cellular networks.
EDGE support for high-speed data transfer where available.
Bluetooth connectivity for short range networking with peripherals, other iPhones and PCs.

Apple says that the iPhone has 8 hours of battery life for talk or video, or 16 hours for music mode. The device ships with either a 4 or 8 GB hard drive and an Intel CPU. The iPhone comes preloaded with a suite of media management software and communication software, including iTunes, iPhoto and Apple's Safari Web browser. Google's search and mapping services are fully integrated, including the ability to initiate phone calls from within Google Maps. Like the iPod, the iPhone synchronizes data with a user's personal computer.

A partnership with Yahoo will allow iPhone users to send and receive rich HTML email. Other IMAP or POP e-mail services are integrated as well, along with webmail access in the browser.

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