3D spectacles; Apparatus for wireless transmission of acoustic information; Audio-receivers and video-receivers; Battery charge devices; Camcorders; Cell phone battery chargers; Cell phone battery chargers for use in vehicles; Cell phone cases; Computer peripheral devices; Converters for electric plugs; Data cables; Earphones; Graphics cards; Microphones; Mouse mats; Mouse pads; Peripheral component interface (PCI) hardware; Personal headphones for use with sound transmitting systems; RAM (ra...