Abstract: An electrical connector includes an insulating housing, a terminal pack module, at least one propping element and a shielding shell. A front of the insulating housing defines a receiving space. At least one fastening groove is opened in an outer periphery of the insulating housing. A bottom of the fastening groove defines a fastening hole. A plurality of terminals is received in the insulating housing. The propping element is received in the corresponding fastening groove and has a base portion. An elastic portion is extended frontward from the base portion, and a contacting portion is protruded inward from a free end of the elastic portion for being inserted into the fastening hole to be exposed to the receiving space. A shielding shell encloses the insulating housing and the propping element. The shielding shell has at least one mouth corresponding to the fastening hole and the contacting portion.