A cable connector assembly (100) comprises an insulative housing (1) including a base portion and a first tongue and a second tongue extending forwardly from the base portion, a number of contacts (2) received in the insulative housing and held in the first and second tongues, and a metallic shell (3) enclosing the insulative housing. The metallic shell comprises a front shell (31) and a rear shell (32) combined with each other. The front shell has a front sleeve portion, a rear engaging portion (312) extending backwards from the sleeve portion, and a pair of arm portions extending rearwards from two sides of the engaging portion and opposite to each other. The rear shell encloses the engaging portion of the front shell, and has a latching hole (3212) on each of two lateral walls thereof engaging with a corresponding arm portion.