Provided are a fingerprint recognition device which performs a fingerprint recognition function and can be inserted into a card, the card including the fingerprint recognition device, and a user authentication method for the card including the fingerprint recognition device. The expandable support member includes at least one electrode connected with the expandable support member and arranged to selectively deliver electric current to modulate the autonomic nervous system. The flow direction is reversed in a second spray station, which operates to expose an opposite surface of the pellets, such that the second spray section coats substantially the remainder of the outer surface of the pellets.