NPW Beat Box Flat Pack Music Speaker Beat box sound system includes two Quality Amp speakers and a Jack plug for your Device 10.25 x 6.5 x 2.5-Inches Assemble the Beat box from precision cut foil board Simply lock together the side panels and hook it up to anything with a standard 3.5 mm Headphone socket Entertain friends with hilarious NPW gifts and gadgets that will crack them up