A connector including a housing (10) having a pair of opposing walls (110, 120) defining a mating slot (100) therebetween; a shell (20) enclosing the housing and having at least a grounding leg (211) for being grounded to a printed circuit board (PCB); a plurality of signal terminals (40) each having a retaining portion (410) retained in the housing, a deflectable contact beam (420) formed with a contact point (421) and extending into the mating slot along one of said opposing walls (110), and a solder tail (430) to be soldered to the PCB; and a conductive means (30) retained in the housing and having at least a deflectable contact finger (320) partly accommodated in the other of said opposing walls (120) and formed with a first contact point (321) protruding towards the contact point of said signal terminal and a second contact point (322) protruding for contacting the shell.