Abstract: A connector is provided with a male unit having a frontal end that includes an inserting portion having a plurality of troughs and fitting troughs on lateral sides thereof. Each of two clip-on hooks are located inside of a respective fitting trough, and each of the clip-on hooks are formed with a hook portion, an elastic portion, and a pressing portion. A metal partition covers the top of the male unit. A connecting component connects with the insertion portion and includes a female unit, a circuit board, and a plurality of terminals. The female unit has a pair of clip-on openings for respective releasable coupling with the clip-on hooks to fasten the male and female units together.