Universal Car/Wall/USB Charger Kit for iPhone/iPod/Nano/Touch + Multi-function AV RCA Cable w/ USB
As a non-technical guy, I didn't check the firmware criteria for this product.  As I understand it, you must have a very old iphone to be able to use this A/V cord.  My firmware was much too advanced for this cable.  Also, the only thing that actually worked is the car charger....  The power cable doesn't work, nor did the wall adapter.  I didn't return this item, and am using a now very expensive car charger, because it would cost the same amount to keep it (with the shipping cost), than to return it for a