Input/output module and mobile electronic device having the same

A mobile electronic device having an input/output module, the mobile electronic device comprising:

• a mobile electronic device body having a receiving chamber having a first connection portion;
• and
• an input/output module, comprising:
• a module body removably coupled to the receiving chamber and having an opening;
• a circuit board coupled to the module body and having a first surface and a second surface, the second surface having thereon a second connection portion, the second connection portion being adapted to be electrically connected to the first connection portion;
• and
• an input/output port disposed on the first surface, electrically connected to the second connection portion, and having an insertion end corresponding in position to the opening;
• wherein the circuit board is fastened and coupled to the module body by one of ultrasonic welding and at least a screw;
• wherein the module body comprises a covering element for covering the opening in part or in whole;
• wherein the first connection portion and the second connection portion are electrically connected by one of a pogo pin together with a conductive metal contact, a board-to-board connection, a flexible printed circuit, and a flexible flat cable.