Loudspeakers; Microphones; Microscopes; Pedometers; Telescopes; Acoustic alarms; Audio mixers; CD players; Dog whistles; Egg-candlers; Electric deadbolt locks; Flashlights for use in photography; Magnifying glasses; Optical lanterns; Portable media players; Punched card machines for offices; Record players; Selfie sticks; Stands adapted for laptop and tablet computers; Tape recorders; Traffic-light apparatus; Tripods for cameras; Weighing apparatus and instruments