1 Type-C USB-C Female to Surface Pro3 Pro4 Pro5 Pro6 Book Pro Cable Build-in the at Type-C female end. input: Type-C female, 65W or 87W Type-C and sUpport 1 output. output: Microsoft Surface Laptop male, 1 Use it with 65W or 87W Type-C and sUpport 1 output to conveniently your Laptop with 1 port. Please note the Type-C must sUpport 1 output. Otherwise it doesn't work.