[4 USB Ports]- The 4 USB Ports car charger supports simultaneous charging of up to 4 mobile phones. [Fast Charge with QC 3.0]- One of the USB ports offers QC 3.0 fast charging so that you don't have to worry about your device being low on battery. [Multi-Security Protection]- Against over-current, overcharging, overheating and high temperature will guard the safety of your devices. [Universal Compatibility]- Universal 4 USB Ports car charger compatible with any Android and iOS mobile devices. Car charger adapter charges your mobile device at maximum charging speed your device supports. [Compact Design & LED]- Made of PC fire retardant material, it is small and light enough to carry around, and blends perfectly with most car cigarette lighters, The 4 USB Ports QC3.0 samsung fast car charger with soft LED indicator, which makes it convenient to find where the connection should go in dark.