1, charge your mobile/cell phone when in the car 2, built-in protection circuit 3, Auto adjust frequency Input: DC 12-24VOutput: DC 5.0V/850-1000mA (single use) DC 5.0V/425-500mA (dual use)LED: Power Indication, BlueHousing:Wire: 3.5mm*1.8m,PU1Model Micro dual usb car charger2Brand name:serenewave3Category:For Car4Interface:Dual USB5Input parameters:AC 12-24V6Output parameters:DC 5.0V 7Output ...