A portable information terminal device is capable of automatically linking with a marketing site whenever a user desires to purchase merchandise connected with an incoming call melody. The cover body includes a socket disposed on one of the front and rear opposite surfaces. A second memory segment is provided for storage of dynamic information such as controller data table variables that change frequently andor rapidly during program execution of the controller. The fan structure further includes a waterproof member for dividing the motor and the circuit substrate from the scroll housing, and a cylindrical seal for sealing a hole formed in the waterproof member through which an output shaft of the motor extends.