Loudspeakers; Scanners; Sunglasses; Acoustic membranes; Aerials; Audio interfaces; Audio- and video-receivers; Binoculars; Cameras; Car video recorders; Earphones; Electric door bells; Eye glasses; Headphones; Horns for loudspeakers; Lap-counting devices, namely, counters for use during sporting activities; Lenses for photographic apparatus; Megaphones; Microphones; Microscopes; Photocopiers; Scales; Sound transmitting apparatus; Spectacle lenses; Video baby monitors