USB 3.1 Type C USB-C to Rectangle 11.0*4.5mm Plug Cable Build-in the at Type-C female end. input: Type-C Female, 65W-Type-C output: Rectangle 11.0*4.5mm Laptop male, 18v- (not sUpport ) Use it with the 65W-Type-C to conveniently your Laptop with 18v- port from a wall outlet. Please note the Type-C must be over than the output end.