Tape recorders; Cabinets for loudspeakers; Loudspeakers; Record players; Audio- and video-receivers; Megaphones; Microphones; Sound transmitting apparatus; Sound recording apparatus; Television apparatus; Video recorders; Horns for loudspeakers; Acoustic couplers; Camcorders; Personal stereos; Headphones; DVD players; Portable media players; Baby monitors; Earphones

Bill-posting; Outdoor advertising; Dissemination of advertising matter; Direct mail advertising; Publicity; Advertising; Television advertising; Publicity agencies; Advertising by mail order; On-line advertising on a computer network; Rental of advertising time on communication media; Presentation of goods on communication media, for retail purposes; Layout services for advertising purposes; Business organization consultancy; Organization of exhibitions for commercial or advertising purposes; Sales promotion for others; Procurement services for others (purchasing goods and services for other businesses); Marketing; Telemarketing services; Systemization of information into computer databases