Note: Needs to pair with a USB charging cable (comes standard with iPhone or iPods originally). Additional USB charging cable is available for purchase separately. Use your car to charge any devices (digital cameras, PDAs, mobile phones, USB accessories and more) that can rely on USB for power! This adapter plugs into your car's cigarette lighter jack to become a powered USB port. USB car charger adapter charges your PDA from any standard cigarette lighter in any vehicle. (Use together with USB charging cable.). Patented circuit board designed to protect your valuable gadgets from short circuits. Fit all electronic appliances that use a USB charging cable.