9 Baby monitors; Electronic devices for animal locating and tracking programmed to use global positioning systems (GPS) and cellular communications; Electronic devices for locating and tracking lost articles, people, pets using radio frequency, global positioning systems, cellular communication networks; Electronic transmitters and receivers used to locate lost children; Security surveillance robots; Smart rings; Smart watches; Teaching robots; Transmitter and receiver used to locate lost pets; Video baby monitors; Wearable activity trackers; Wrist-mounted smartphones