Battery charge devices; Cameras; Car video recorders; Earphones; Earphones and headphones; Electric connections and connectors; Electrical plugs and sockets; Global positioning system (GPS); Microscopes, including stereomicroscopes; Navigational instruments for vehicles; Portable media players; Slide or photograph projection apparatus; Smart rings; Smart watches; Smartglasses; Video cameras; Video monitors; Video baby monitors; Wearable activity trackers; Wireless headsets for smartphones; Da...