This 2-port USB car charger works with MP3, smartphone and tablets including iPod, iPhone and iPad, Samsung Galaxy, USB-C, GPS and other Android devices. It has smart chipset that recognize what type of devices is connected for proper charging and auto-allocations that allows it to operates as dual-port with 1.2Amp each port if two devices are connected or single-port with 2.4Amp for faster charging. Features LED status light indicator. FCC, CE, e-Mark and RoHS compliant. (REV 2; Connectors: 2 USB A Female / Input Voltage: 12-24vDC / Output Voltage: 5vDC 2.4Amp)