Earphones; Acoustic alarms; Alarm monitoring systems; Apparatus for checking the authenticity of banknotes; Biometric identification apparatus; Cinematographic cameras; Computer keyboards; Computer mouse; Electric door bells; Electronic book reader; Electrostatic copying machines; Humanoid robots with artificial intelligence; Network routers; Rechargeable electric batteries; Smart watches; Smoke detectors; Tablet computers; Video monitors; Video projectors; Video screens; Acoustic couplers; D...