Electrical connector having flexible mating portion

An electrical connector ( 100 ) adapted for connecting/disconnecting with/from a complementary connector in a front-to-back direction, includes a shell ( 1 ), an insulative housing ( 2 ) and a number of contacts ( 4 ) received in the housing. The shell includes a main body ( 111 ), a connecting tab ( 115 ) and a mating portion ( 112 ). The main body further includes a receiving space surrounded by a top surface ( 113 ), a bottom surface ( 117 ), and a pair of lateral surfaces ( 114 ). The connecting tab only connects with one edge of said surface of the main body. The mating portion extends from the connecting tab in the front-to-back direction. The insulative housing includes a base portion ( 21 ) received in the receiving space of the main body of the shell, and a tongue portion ( 22 ) extending from the base portion along the mating direction and received in the mating portion of the shell.