Adapter cables for headphones; Antennas; Audio speakers; Batteries and battery chargers; Burglar alarms; Calculating machines and data processing equipment; Camcorders; Clear protective covers specially adapted for personal electronic devices, namely, cell phones, MP3 players, personal digital assistants; Computer hardware and peripheral devices; Computer memory devices; Computer network adapters, switches, routers and hubs; Connectors for electronic circuits; Converters for electric plugs; E...