Apple MFi means that these cables can be used with complete confidence that they meet or exceed Apple's rigorous standards for iOS accessories. The reversible Type-C connector is always properly oriented. The generous 50micron thick gold plating ensures that the connectors will not corrode or rust. USB-C to Lightning cable allows you to rapidly charge with up to 18 watts of Power Delivery (PD) using a compatible USB-C PD charger.