An electrical connector (1) comprises an insulative housing (2), a plurality terminals received in the housing (2), a stiffener (3) engaged with the housing (2), a clip (5) and a lever (4) pivotably mounted on two opposite sides of the stiffener (3). The lever (4) comprises a pair of locating portions (424) pivotably received in the stiffener (3), an offset actuating portion (422) between the locating portions (424), and an operating portion (43) extending upward and frontward from an end of the locating portions (424) and bent far away from the housing (2).