3D spectacles; [ Battery chargers; Cases adapted for mobile phones; Ear plugs for divers; Earphones; Earphones and headphones; Encoded identification bracelets, magnetic; Movie projectors; ] Pince-nez; [ Rechargeable electric batteries; Remote control telemetering machines and apparatus; Scales; Smartglasses; Smartwatches; Wearable activity trackers; Wireless speakers; Acoustic couplers; Electric navigational instruments; Optical couplers; Safety bracelets with warning whistles attached; Smok...