3D spectacles; Headphones; Loudspeakers; Modems; Blank USB flash drives; Computer peripheral devices; Digital video cameras; Electric door bells; Electronic interactive whiteboards; Laptop computers; Portable vibration speakers; Power supply connectors and adaptors for use with portable electronic devices; Projection screens; Protective covers for smartphones; Respiratory masks for the prevention of accident or injury; Slide projectors; Slide or photograph projection apparatus; Speaker microp...