3D spectacles; Baby monitors; Cabinets for loudspeakers; Computer game software; Computer memory devices; Computer peripherals; Earphones; Electronic collars to train animals; Global positioning system (GPS); Headphones; Pedometers; Rechargeable batteries; Scales with body mass analyzers; Smartphones; Smartwatches; Solar batteries; Virtual reality headsets; Wearable activity trackers; Humanoid robots with artificial intelligence