This 3.2' Wall Charger with Retractable USB to 30-pin Sync & Charge Cable from ReTrak is compatible with select iPad, iPhone, and iPod models. On one end is the 30-pin connector for your iOS device, and on the other is a USB connector that plugs into the 2.4A, 12W USB port on the body of the charger. The body's folding plug then connects to a power outlet and you're good to go. The charger features built-in protection against excessive current, voltage and temperature, and also safeguards against short circuits. The reinforced cable retractor has a tangle-free design for added convenience and ease of use. The cable also has an armored protective jacket for improved durability.