Audio- and video-receivers; Audio interfaces; Camcorders; Electric and electronic effects units for musical instruments; Electronic book readers; Headphones; Humanoid robots with artificial intelligence; Juke boxes, musical; Laptop computers; Loudspeakers; Megaphones; Microphones; Portable media players; Recording and playing devices for sound and image carriers; Security surveillance robots; Sound transmitting apparatus; Tape recorders; Wearable computers in the nature of smartwatches; Weara...