The Plugfones Sovereign Duo is a wireless, lightweight earbud designed to sensor machinery and external noises while working on vehicles. The earbud contours to the ear canal for a seamless fit. Inside the package comes a Sovereign Duo Obsidian, a Sovereign Duo Lava, a zippered case, a charging hardcase, a case charging cable, small, medium and large earbuds, the Plugfones Comfortiered Earplug, a pocket case, and an instruction guide. The earbud works with gloves, has a built-in sound focused microphone to conduct business with and has an infinite battery. The product is water resistant and sweatproof and is IPX rated.