An electrical connector includes: a housing having a base, a front tongue, and a rear mount; an upper and lower rows of contacts arranged in the housing and exposed respectively to two opposite surfaces of the tongue; an insulative shell mounted to the base and including a pair of mounting lugs, each mounting lug having a hole; and a metallic shell shielding the rear mount, wherein the metallic shell has a pair of securing arms fastened to the pair of mounting lugs.