Smartglasses; Headsets for virtual reality games; Hygienic covers adapted for virtual reality head-mounted displays; Hygienic covers adapted for virtual reality headsets; Hygienic pads adapted for virtual reality head-mounted displays; Hygienic pads adapted for virtual reality headsets; Smart glasses; Spectacle frames made of metal and of synthetic material; Spectacle frames made of metal or a combination of metal and plastics; Spectacle frames made of metal or of a combination of metal and p...