Stay connected wher ever you go with the Apple iPhone 4 phones. The 3.5-inch retina display of this Apple touch-screen phone delivers stunningly crisp image output at a resolution of 960 x 640-pixels. Listen to enhanced music quality with 20Hz to 20,000Hz frequency response of this Apple Bluetooth phone. Chat with your family and friends using the FaceTime application of this Apple Bluetooth phone. Run multiple third-party applications and switch between without affecting the device performance or batteries of this Apple Bluetooth phone. The Apple iPhone 4 phone with 5-megapixel camera and built-in LED flash, you can now capture the minutest detailing with perfection.