Loudspeakers; Smartphone mounts; Laboratory glassware; Weighing scales; Eye glasses; Safety helmets; Electric locks; Portable power chargers; Smart rings; Radio sets; Liquid crystal display (LCD) monitors; Radio receivers; Walkie-talkies; Boom boxes; Electric accumulators; Thermal printers; User-programmable humanoid robots, not configured; Electric bark control dog collars; Electronic collars to train animals; Microphones; Smoke alarms; Laptop computers