Camcorders; Headphones; Microphones; Smartphones; Audio-video receivers; Baby monitors; Cabinets for loudspeakers; Data processing equipment; Humanoid robots with artificial intelligence; Personal stereos; Protective helmets; Rearview cameras for vehicles; Solar batteries; Tape recorders; Video baby monitors; Video recorders; Wearable activity trackers; Wearable computers in the nature of smartglasses; Wearable computers in the nature of smartwatches; Wearable video display monitors; Digital ...