An electrical connector includes an insulative housing (1) defining a mating compartment (10) with an opening (101) in communication with the mating compartment (10), a plurality of contact terminals (2) disposed within the mating compartment (10), a moveable protective lid (4) moveably disposed adjacent to the opening (101) and magnetic arrangement (5, 6) disposed between the protective lid (4) and the housing (1) such that the protective lid (4) will resume to its original position by means of magnets (5, 6) arranged between the protective lid (4) and the housing (1).