3D spectacles; Batteries, electric; Cabinets for loudspeakers; Computer keyboards; Computer mice; Connectors for electronic circuits; Covers for electric outlets; Earphones; Educational apparatus, namely, blocks used as teaching aids for visualization of math concepts; Global positioning system; Headphones; Metronomes; Microphones; Neon signs; Portable media players; Surge protectors; Telescopic sights for artillery; Thermometers, not for medical purposes; Video cameras