Keep your smartphone, tablet, and other USB devices charged in your car with this car cigarette lighter adaptor. The USB Type-C output provides up to 3A, which is enough to charge a smartphone, MacBook® Air, Google Chromebook™, or similar device that has a Type-C charging port. A USB Type-A output can provide up to 2.4A, which is more than enough to charge a smartphone or tablet. The circuitry inside the adaptor features a smart charging IC to detect optimum current for connected devices. It simply plugs into your cigarette lighter socket and away you go.