15W max. Type C input. Compatibility: universal, applying the metal disc to the outside of the case; iPhones with MagSafe technology (12th edition onwards) and cases with MagSafe ; MagCase Optiline line. 15 magnets designed to hold the phone securely in place without interfering with its functionality. (Not universal for all vents). Fast charging requires an adaptive USB-C charger with at least 18W of power. Charger and cable not included in the package.