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