A multi media card is disclosed. The device comprises a flat fixture with an adhesive for sticking the fixture together with two fold parts on an ear which is folded about a folding line along a zone which is to be corrected with a permanent deformation. It uses a monitoring control device controlled by the output stage to control the supplementary device and the second input current source pair in order to increase a slew rate of an operational amplifier. In one embodiment, the partner network devices are operative to exchange directly received network traffic. The block copolymer electrolyte composite membrane in accordance with an aspect of the present invention can comprise a plate-like inorganic filler as surface-modified with a sulfonic group; and a block copolymer comprising at least one selected from the group consisting of a sulfonic group, a carbonic acid group, and a phosphoric acid group.