Whether an obtained candidate face image is registered or not is appropriately determined. A housing member is arranged so as to surround the sleeve and make the end of the sleeve protrude. A rear anchor is formed on the underside at the rear end and is adapted to be introduced in a recess of the mounting. A porous liner and mesh outer layer over certain areas of the vest allow heat to be vented from the vest interior. The communication module 303 then transmits the data connection initiation request having the selected network identifier so as to establish a switched packet data connection with the selected network.