a hand - held hair dryer including a handle , a body connected to the handle portion , a barrel connected to the body portion and having an inner member defining a first air passageway , an outer member slidably coupled to the inner member and defining a second air passageway that is substantially parallel to the first air passageway , a shutter coupled to the inner member and movable in response to sliding of the outer member with respect to the inner member to selectively direct air through the first air passageway and the second air passageway .