Apparatus and instruments for conveying, distributing, transforming, storing, regulating or controlling electric current; Audio- and video-receivers; Batteries, electric; Cabinets for loudspeakers; Camcorders; Cell phone cases; Cell phone covers; Electro-dynamic apparatus for the remote control of signals; Horns for loudspeakers; Loudspeakers; Megaphones; Microphones; Photographic cameras; Sound recording apparatus; Video recorders; Electronic regulating and control devices for the operation ...