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Audio interfaces; Biometric identification apparatus; Camcorders; Car video recorders; Electrical inductors; Headsets for telephones; Smart watches; TV monitors; Wearable activity trackers; Corrective glasses; Eye glasses; Magnifying glasses; Optical glasses; Protective glasses; Sports glasses; Sun glasses; Television receivers; Virtual reality headsets; Visual training aid, namely, non-prescription glasses used for visual training purposes; Wireless headsets for smartphones