A card reader may include a recording and reproducing means to perform reading of data or writing of data, a first cable configured to transmit a data signal outputted from the recording and reproducing means or a data signal inputted into the recording and reproducing means, a circuit board in a flat plate shape for controlling the card reader, a connector mounted on the circuit board and connected with one end side of the first cable, and a second cable connected with the circuit board and configured to transmit a control signal for controlling the card reader. A width of the second cable is wider than a width of the first cable, and the second cable is connected with the circuit board so as to cover a connected portion of the first cable with the connector.