Aukey® Dual USB Car Charger, Car Charger 15.5W / 3.1A + 3.1A (3100mAh max) on iPhone, iPad, smartphone, tablet and Samsung Galaxy Android devices (WHITE) (Electronics)
This article allows the load of a smartphone but as soon as it is plugged it generates so much noise that the radio does not work anymore! So we have to choose, it's one or the other but not both.