USB C male plug only with output function,support charging and transfer data,can not for USB C Type C female port for Type C Data charge Cable,Type C Disk,USB C card reader and more, USB C male for USB C PD Charger PD Powerbank Type C laotop and more. Not only for charging,but also can transfer data,one USB C female Port for data and charging ,another USB C female Port only with charging function. USB C male to USB C female adapters. Simple Plug and for Play, No Needed,with this convertor,your USB C PD charger or PD powerbank can charge 2 devices at the same for time.