Adapter plugs; Adjustable smartphone and PC tablet stabilizers and mounts; Audio-video receivers; Audio headphones; Audio speakers; 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; Computer peripheral apparatus; Data processing equipment, namely, couplers; Earphones and headphones; Loud speakers; Mouse pads; Portable m...