Binoculars; Earphones; Headphones; Megaphones; Microphones; Subwoofers; Telescopes; Audio mixers; Batteries, electric; Cabinets for loudspeakers; Chargers for electric batteries; Data processing equipment, namely, couplers; Egg timers; Electric cables; Electric wires; Magnifying glasses; Portable media players; Rechargeable batteries; Safety goggles; Solar batteries; Tripods