The functionality of your iPod or iPhone can be readily enhanced with a Lightning cable. An iPhone Lightning cable is specially designed to fit the port on many of these portable Apple devices. One end can be plugged into the Apple device while the other end fits into a standard USB drive. Therefore, a Lightning to USB cable allows you to transfer data from your iPhone or iPod. This enables you to download new music, transfer pictures and more. Before you purchase a Lightning cable, make sure it is compatible with your device. You can also shop around to find a cord that is colored to match your preferences. Fortunately, Macfixit has a huge collection of these important cables and other Apple accessories you need.