Adapter plugs; Adjustable smartphone and PC tablet stabilizers and mounts; 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; Computer docking stations; Computer hard drive enclosures; Computer keyboards; PC tablet mounts; Protective covers and cases for tablet computers; Stands ...