A vacuum cleaner includes an electric air blower; a dust separator placed at an upstream side of the electric air blower and having a filtration filter for taking in dust-containing air sucked by the electric air blower and separating the dust from the air; and a dust accommodating section for accommodating the dust separated by the dust separator. An elongated container is coupled to the elongated member and an outer surface of the predetermined portion and an outer surface of the container form a handle portion of the toothbrush. The digitized signals are then sent to the Server through a network system, where the digitized signals are analyzed on-line with the automated ANS function analysis system to provide indices of the autonomic nervous system. The cover includes a cover surface having at least one button hole in register with the control board switch; operating insignia integrally formed on the cover surface adjacent the button hole; and a membrane which closes said button hole to form a button surface.