Amplifiers; Binoculars; Chronographs for use as specialized time recording apparatuses; DVD players; Headphones; Lactodensimeters; Microscopes; Photometers; Telescopes; Video baby monitors; Baby monitors; Digital photo frames; Electronic book readers; Electronic regulating and control devices for the operation of light emitting diodes; Goggles for sports; Magnifying glasses; Optical apparatus and instruments, namely, optical ports for underwater photography, dome ports for underwater photogra...