[ smartwatches; smartphones; mobile telephones; wearable activity trackers; covers for smartphones; cases for smartphones; loudspeakers; megaphones; microphones; portable media players; digital photo frames; ] chargers for electric batteries; [ batteries, electric; electrical plugs and sockets; electrical sockets; electrical plugs; adapter plugs; stands for photographic apparatus; viewfinders, photographic; filters for ultraviolet rays, for photography; tripods for cameras; lens hoods; comput...