A portable mobile unit for conducting information communication by using at least one of character information and picture information, comprising: a sound source being enable to generate a plural number of sounds; an input means for inputting a kind an a condition of the sound to be generated; and a controller means for controlling said sound source upon basis of the input from the input means, and for controlling processing when conducting said information communication, wherein said controller means makes the kind of sound which is set by the input made from said input means generate under the condition which is set by the input made from said input means, during a connecting process to a communicating party of said information communication or during the information communication. With this, there is provided the portable mobile unit, which also supplies aural information to the user when communicating visual information, such as character information or picture information, etc., thereby preventing the communication from coming to be monotonous. This aural information may include something bringing about the game mind therein, thereby enabling the user to enjoy therewith. It is also possible to bring the checking and the alarming to be easily noticed through such the aural information.