Audio adapter cables; Audio adapter plugs; Audio circuit boards; Audio electronic components, namely, surround sound systems; Audio interfaces; Audio speaker enclosures; Audio speakers; Battery boxes; Battery cables; Booms for microphones; Cable connectors; Camera mounts and supports; Car stereos; Cases for audio cables; Circuit boards provided with integrated circuits; Coaxial cables; Computer cables; Computer hardware; Electrical plugs and sockets; Electrical power extension cords