The iPhone is an internet-connected multimedia smartphone designed and marketed by Apple Inc. with a flush multi-touch screen and a minimal hardware interface. The device does not have a physical keyboard, so a virtual keyboard is rendered on the touch screen instead. The iPhone functions as a camera phone (including text messaging and visual voicemail), a portable media player (equivalent to an iPod), and Internet client (with email, web browsing, and local Wi-Fi connectivity). The first generation phone hardware was quad-band GSM with EDGE; the second generation also adds UMTS with HSDPA.[9]
http://www.apple.com/iphone