The Current For This Type-C Cable At The Optimum Speed Is 3A. High-Efficient Current Transfer To Save Time And Charge At Lightning Speed. Built-In Overvoltage Protection, Battery Protector, And Automatic Chip Recognition Functions Inside To Protect Your Devices Well From Damage.Porodo Usb-A To Usb-C Cable Made Of Anti-Oxidant Aluminum Shell, Compact And Durable Design Ensures A Longer Life Span For Customers. Nylon-Braided Cable Material Not Only Avoids The Tangling But Is Also Flexible Enough To Be Wrapped Up And Put In A Bag.