T Tocas 5v/2.1A USB Port for Smart Phone PDA iPad iPhone Charger + Audio Input For Toyota Lexus Scion USB Port for Smart Phone PDA iPad iPhone Charger + Audio Input For Toyota Lexus Scion Input 12V/Output 5V 2.1A Compatible with most Toyota and Scion vehicles Inline fuse for current protection Please make sure your car has such a 23x33mm opening and your car stereo comes with USB interface port on the back before buying this product