Carrying cases, holders, protective cases and stands featuring power supply connectors, adaptors, speakers and battery charging devices, specially adapted for use with handheld digital electronic devices, namely, cell phones, MP3 players, personal digital assistants; Cases for smartphones; Covers for smartphones; Data cables; Earphones; Filters for ultraviolet rays, for photography; Light conducting filaments; Microphones; Optical condensers; Optical glasses; Optical lamps; Optical lenses; Ph...