Megaphones; Microphones; Sunglasses; Acoustic alarms; Blank USB flash drives; Chargers for electric batteries; Chronographs for use as specialized time recording apparatuses; Computer keyboards; Dust protective masks; Electric door bells; Electric switches; Electrical and electronic burglar alarms; Electronic agendas; Electronic key fobs being remote control apparatus; Mouse pads; Power switches; Protective electrostatic discharge (ESD) grounding gloves; Smart watches; Transmitters of electro...