Adjustable smartphone and PC tablet stabilizers and mounts; Apparatus for recording, transmission or reproduction of sound; Audio speakers; Baby monitors; Backpacks especially adapted for holding laptops and notebook computers; Battery chargers; Cameras; 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, per...