Amplifiers; Audio-receivers and video-receivers; Bags adapted for laptops; Cabinets for loudspeakers; Cell phone cases; Cell phone covers; Data processing equipment, namely, couplers; Display screen protectors for providing shade and privacy specially adapted to electronic devices, namely, laptops, cell phones and personal digital assistants; Earphones; Electric door bells; Electric navigational instruments; Electrical plugs and sockets; Headphones; Headsets for cellular or mobile phones; Hea...