Camcorders; Cell phone straps; Cell phones; DVD players; Earphones; Global positioning system (GPS) consisting of computers, computer software, transmitters, receivers, and network interface devices; Headphones; Microphones; Microscopes; Smartphones; Tablet computers; Transponders; Video baby monitors; Video telephones; Wireless cellular phone headsets; Baby monitors; Digital photo frames; Electronic book readers; Electronic educational apparatus, namely, communication blocks that manipulate ...