... 3.Light weight,Smart and use of convenience 4.Matches with Iphone,Ipod ,Touch,classic,Nano,Cell phones,PDA, GPS Navigator ... your car's cigarette lighter jack to become a powered USB port. 2. Patented circuit board designed to protect your valuablee gadgets ... .fit all electronic appliances that use a USB charging cable 4. Needs to pair with a USB charging cable 5. Input: 12-24V ...