Open and tested. Works fine. Louder than most modern fans. But moves air and switch works.

The VTG Tatung of America 3" inch Personal Desk Fan in light blue is a vintage collectible small appliance that operates on a corded electrical power source. This round fan features a timerless control style with a switch, adjustable tilt/head feature, and a 15w power consumption. With a metal construction, this desk fan stands at 4.5" tall and 3.5" wide, making it suitable for indoor use in a kitchen, home office, or study room. The fan is an original model from Taiwan, featuring a circular vent style and air supply ventilation system.