These Bluetooth Auburn University themed vintage CBX Mark II Drive-In movie speakers run off of either two 9 volt batteries or an AC adapter to your wall outlet. It plays hours of mp3s of music, drive-in movie advertisement, or in this case old football games! All of this from the internal mp3 player, Bluetooth connectivity, and amplifier located inside the junction box and turned on with the flick of the toggle switch. This also features a remote control!