computer memory devices; computer keyboards; bar code readers; computer peripheral devices; Data processing equipment, namely, couplers; Blank USB flash drives; computer hardware; Antennas; radios; walkie-talkies; tape recorders; cabinets for loudspeakers; microphones; video recorders; headphones; portable media players; smoke detectors; fire alarms; chargers for electric batteries; batteries, electric; electric door bells; Smoke detectors; Gravity measuring instruments; 3D spectacles; Data p...