A mobile phone includes a first power receiving portion that receives power from a charging base, a first touch panel, a function execution portion, a first LCD to display information, a first display control portion to display on the first LCD an output image outputted when the function execution portion executes a function or an input image for accepting an operation to execute the function, and a first communication portions cannot communicate with the charging base, and the first display control portion displays a first screen on the first LCD when the first communication portion is incapable of communicating with the charging base, and when the first communication portion can communicate with the charging base, it displays a second screen on the first LCD and transmits a third screen to the charging base via the first communication portion and causes the charging base to display the third screen on the second LCD provided therein.