This powerful, high-speed USB car charger can charge up to 4 devices at once! Simply plug it into your car's power outlet and charge up to 2 devices in the front seat, and up to 2 more in the back seat with the extended cord included. It features rapid-charging power, a detachable backseat clip, a 6-ft. long cable, plus short circuit and overcharge protection. Plastic and metal. Charger is 1 1/2"L x 1 1/4"W x 3"H.