Battery chargers; Cabinets for loudspeakers; Computer keyboards; Computer mouse; Computer peripheral devices; Converters for electric plugs; Data processing equipment, namely, couplers; Earphones; Electric plugs; Electrical header connectors; Electrical plugs and sockets; Electronic pens; Projection screens; Self-timers; Slide projectors; Slide or photograph projection apparatus; Television apparatus for projection purposes; Wireless computer mice