An electrical connector including an insulating body, a plurality of terminals disposed in the insulating body, a first metallic shell enclosing the insulating body to form an interface for being plugged by another electrical connector, and a second metallic shell is provided. The first metallic shell has a first soldering leg close to the interface, and the second metallic shell encloses the first metallic shell, wherein the first soldering leg extends away from the insulating body, penetrates the second metallic shell and protrudes out of the second metallic shell.