An electrical connector (1) includes an insulative cover (10), a metal shell (30,40) retained in the insulative cover and a plug portion (80) received in the metal shell. Said plug portion includes a base (60), a plurality of contacts (50) retained in the base and a printed circuit board (70) capable of connecting with the contacts. The base is sunken with a compartment (66). The printed circuit board is retained in the compartment and presses against the contacts.