Audiovisual receivers; Batteries, electric; Cabinets for loudspeakers; Cell phone straps; Chargers for electric batteries; Computer hardware; Computer peripheral devices; Covers for smartphones; Data processing apparatus; Data processing equipment, namely, couplers; Global positioning system (GPS); Headphones; Integrated circuits, integrated circuit chips, and integrated circuit modules for encoding and decoding digital video; Mobile telephones; Monopods for handheld digital electronic devices, namely, cell phones; Protective films adapted for smartphones; Tablet computers; Video screens; Electric wires and cables; Photographic cameras