Mini design! Get rid of complicated design saving precious space in a car. 2 USB output ports = charge 2 devices simultaneously. Charger shell is made from high-quality materials - PC and ABS. Many levels of protection! Over-current, over-power, over-voltage, over-charge, over-discharge, overheat, short-circuit, and electromagnetic field protections. intelligent management chip! Adjusting optimal current to specific devices. LED light – Soft blue power indicator makes charger more convenient to use in the night time