A cable connector assembly comprises a plug section, and a cable end section. The plug section includes an insulating, a number of conductive contacts received in the insulating housing, and a metal shell surrounding the plug section. The insulating housing comprises a front engaging portion, a middle main body having passageways defined therethrough, and a rear supporting portion. The conductive contacts are received in the passageways and each extends at one end into the engaging portion and at the other end into the supporting portion connected to the cable end section. The main body includes a pair of blocks stopped by edges of the metal shell and a number of protrusions, on its surface, received in a number of openings on the metal shell. The metal shell comprises a number of inward bulges on a surface in interference fit with the insulating housing, a pair of beam portion extending from its rear corners, and a pair of indents on its surface. A protective layer is applied onto and a jacket is molded over a rear portion of the plug section and a front portion of the cable end section, respectively. A copper foil is provided within the jacket and over the protective layer.