Apple engineers designed the A chip to be a remarkably powerful yet
remarkably power-efficient mobile processor. With it, iPhone 4 can easily perform complex jobs such as
multitasking, editing video, and placing FaceTime calls. All while
maximizing battery life.
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Face Video calling
People have been dreaming about video calling for decades. iPhone makes it a reality. With the tap of a button, you can wave hello to your kids, share a smile from across the globe, or watch your best friend laugh at your stories — iPhone 4 to iPhone 4 over Wi-Fi. No other phone makes staying in touch this much fun.
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