iPhone combines three products - a mobile phone, a widescreen iPod with touch controls, and a breakthrough Internet communications device with desktop-class email, web browsing, maps, and searching - into one small and lightweight handheld device. iPhone also introduces a user interface based on a large multi-touch display and pioneering software, letting you control everything with just your fingers. So it ushers in an era of software power and sophistication never before seen in a mobile device, completely redefining what you can do on a mobile phone. This device is locked to Straight Talk and compatible with Virgin Mobile, TracFone, Xfinity, Sprint, Verizon, U.S. Cellular, metroPCS, T-Mobile, AT&T, Cricket, Boost Mobile Carriers.