An electrical connector assembly includes an insulating housing, a jumper element assembled in the insulating housing and a bracket located at the outside of the insulating housing. The insulating housing includes a pocket defining an opening. The bracket includes a retention portion extending into the pocket for retaining the jumper element into the pocket and a latch beside the opening of the pocket. The jumper element includes a protrusion engaging with the latch. The jumper element is assembled into the pocket in a vertical direction and can be pulled out through the opening in the horizontal direction with the latch sliding along the protrusion and finally disengaging the protrusion.