A connector comprises a first shell configuring with a first insulative portion having a first base portion and a first tongue portion to conform an first type interface, a second shell configuring with a second insulative portion having a second base portion and a second tongue portion to conform an second type interface and a terminal set, held in a housing, including a plurality of the first terminals and a plurality of the second terminals, wherein said terminal set is made up of a group comprising the first terminals and the second terminals and configuring the terminal set with a special arrangement.