Abstract: A hat of the present invention includes at least opening to define a pocket extending along the peripheral edge of the hat. A speaker device includes a plurality of components removably connected with one another to form a uniformed piece thereby allowing the user to insert the speaker device into the pocket to allow the user to wear the hat and listed to sounds. The speaker device includes a pair of speakers, a controller unite connected to one of the speakers and a battery unit including a battery for supplying power to the speakers and the controller unit. The battery unit is connected to another speaker.