Electronic control circuits for electric heaters

Baby monitors; Battery chargers; Blank USB flash drives; Cabinets for loudspeakers; Camcorders; Cases for smartphones; Eye glasses; Global positioning system (GPS) consisting of computers, computer software, transmitters, receivers, and network interface devices; Headphones; Slide or photograph projection apparatus; Sound recording apparatus; Sunglasses; Wearable activity trackers; Fire and smoke detectors; Radar detectors; Radiation detectors; Video baby monitors