Computer memory devices; Computer peripheral devices; Mouse (computer peripherals); Smartglasses; Smartwatches; Pedometers; Time recording instruments; Bathroom scales; Global positioning system (GPS) apparatus; Wearable activity trackers; Cabinets for loudspeakers; Electric monitoring apparatus; Monitoring apparatus, other than for medical purposes; Audio and video receivers; Megaphones; Microphones; Camcorders; Headphones; Portable media players; Baby monitors; Audio interfaces; Virtual reality headsets; Black boxes (data recorders); Data recording apparatus; Cameras (photography); Slide projectors; Measuring apparatus; Switches, electric; Plugs, sockets and other contacts (electric connections); Time switches, automatic; Alarms; Electric door bells; Smoke detectors; Earphones (other than hearing aids for the deaf); Chargers for electric batteries; Rechargeable batteries; Electronic collars to train animals