Two-way radios; Walkie-talkies; Speaking tubes; Radios; Cell phones; Intercommunication apparatus; Cases for mobile phones; Covers for smartphones; Headphones; Loudspeakers; Battery chargers; Sockets, plugs and other contacts [electric connections]; Aerials; Wearable activity trackers; Cellular telephones; Smartphones; Protective films adapted for smartphones; Dog whistles; Electronic collars to train animals; Goggles for sports; Head guards for sports; Earphones.;