Apple has just unveiled the newest version of its successful iPhone series -- the iPhone 5. Here are some key highlights.

Weight:The new phone is thinner and longer than the iPhone 4S but weighs less. It weighs 112 grams, compared with 140 grams.

Screen: The new iPhone has a 4-inch screen, measured diagonally, compared with 3.5 inches for the 4S.

Connection: It has an LTE chip that will connect to the fastest 4G wireless data networks

Camera: The new iPhone will have a camera with an 8-megapixel sensor, which is the same as the iPhone 4S, but adds features such as panoramic mode and improvements for taking pictures in low light. The front facing camera is now able to shoot 720p video.