Audio- and video-receivers; Audio mixers; Electronic book readers; Electronic tags for goods; Headphones; Humanoid robots with artificial intelligence; Mobile telephones; Pedometers; Personal stereos; Portable media players; Rearview cameras for vehicles; Security surveillance robots; Smartphones; Sound recording apparatus; Tablet computers; Teaching robots; Virtual reality headsets; Wearable activity trackers; Wearable video display monitors; Blank USB flash drives