Abstract: A cable connector assembly includes an electrical connector having an insulative housing, a plurality of contacts received in the insulative housing and shelters covering the outer surface of the insulative housing, a cable connecting to the contacts, an outer cover having a rear surface covering the electrical connector and the inner cover has a front surface. The electrical connector has a plurality of front surfaces at a front portion thereof and a rear surface at a rear end thereof. The front surface of the inner cover leans against the front surfaces of the electrical connector and the rear surface of the outer cover leans against the rear surface of the electrical connector. A plurality of wedges are formed on the inner surface of the outer cover and a plurality of grooves corresponding to the wedges are formed on said inner cover. The wedges are mated with said grooves respectively.