An electrical connector for electrically connecting an exterior electrical apparatus and a mother board, includes an insulative housing and a pair of board retention means wherein each board retention means further consists of an orienting portion formed on said housing, and a retention portion by stamp process. The retention portion is defined with a connecting section and a pair of elastic claws wherein the orienting portion forms an abutting plate, a straddle portion and a receiving slot. By means of a pair of protrusion formed on the straddle portion and a plurality of bulges formed on the connecting section, the retention portion can be convenient and tight to be assembled within the orienting portion.