retail store services in the field of radio 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, radios, receivers, [ 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, [ furniture, ] software and peripherals for school, home, science and business usage; antennas; namely, television, auto, citizens band and satellite; laser vision players; satellite receivers, [ feedhorns, ] low-noise blocks and low-noise amplifiers for satellites; antenna mounting hardware; television/video satellites; antenna mounting hardward; television/video switching distribution equipment; audio/video signal processors; cellular telephones; telephones and telephone accessories; [ pagers; ] home security systems; [ auto security systems, ] scanners; calculators; hand tools; batteries; battery chargers; electronic and radio-controlled toys; [ video cassette recorders; video camera recorders; ] office equipment; namely, facsimile machines, pencil sharpeners, and intercoms, televisions, radar detectors; automobile compact disc players; amateur radio transceivers and accessories, [ marine radio transceivers and accessories; ] citizens band radios, transceivers and receivers; flashlights, [ databanks, ] owner and/or operating manuals and books; testing equipment; [ vacuum tubes; and metal detectors ]