FaceTime video calling.With a tap, you can make video calls from your iPhone 4 to another FaceTime-enabled iPhone, iPad, iPod touch, or Mac over Wi-Fi.

3.5-inch Retina display.Everything you see and do on iPhone 4 looks amazing. That's because the Retina display's pixel density is so high, your eye is unable to distinguish individual pixels.What's in the box:iPhone 4Apple Earphones with Remote and MicDock Connector to USB CableUSB Power Adapter

5MP iSight camera with HD video recordingThe 5-megapixel iSight camera built into iPhone 4 captures amazingly detailed images. And you can shoot video in high definition.