Adjustable smartphone and PC tablet stabilizers and mounts; Backpacks especially adapted for holding laptops and notebook computers; 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; Cases adapted for holding smartwatches; Cases for smartphones; Earphone accessories, namely, earphone cushions, earphone pads, earphone cases, and earphone extension cords; Electric cables, wires, conductors and connection fittings therefor; Headsets for mobile telephones; Headsets for telephones; Notebook computer carrying cases; Protective covers and cases for cell phones, laptops and portable media players; Protective covers and cases for tablet computers; Smartwatch bands; Telephone headsets; Touch screen pens; USB cables; USB cables for cellphones; Waterproof cases for smart phones; Wireless chargers; Wireless headsets for smartphones; In-car telephone handset cradles