retail store services and mail order retail services in the field of radio, video and sound reproduction equipment, namely stereo systems, speakers, phonographs, amplifiers, tuners, public address amplifiers, electronic keyboards, entertainment lighting, microphones, wireless microphones, headphones, mixers, blank audio and video tape, compact discs, stereo cartridges and stylus, equalizers, compact disc players/recorders, video cassette players/recorders, remote control units, radios, receivers and rack systems; electrical and electronic devices, namely alternate current and direct current power adapters, connectors, fuses, integrated circuits, multitesters, power supplies, switches, test equipment and wire and cable; computer hardware, computer furniture, computer software and computer peripherals; antennas, televisions, laser vision players, satellite receivers, feedhorns, amplifiers for satellites, antenna mounting hardware, television/video switching distribution equipment, audio/video signal processors, cellular telephones, telephones, telephone accessories, pagers, home security systems, auto security systems, scanners, calculators, hand tools, batteries, battery chargers, electronic and radio-controlled toys, video camera recorders, facsimile machines, electric pencil sharpeners, portable copy machines, remote control systems, remote control switches, intercoms, televisions, radar detectors, automobile compact disc players, automobile cassette players, automobile radios, combination automobile cassette and compact disc players, automobile speakers, amateur radio transceivers, marine radio transceivers, radio transceiver accessories, citizens band radios, citizens band transceivers and receivers, flashlights, owner and/or operating manuals and books, databanks, namely electronic organizers, schedulers, reference books, spell checkers and directories; testing equipment, vacuum tubes, metal detectors, and books on electronics