Digital door locks; Electric bark control dog collars; Clickers for training dogs; Video phones; Paging equipment; Cameras; Smartwatches; Smartglasses; Safety equipment, namely, high altitude breathing apparatus; Humanoid robots with artificial intelligence for preparing beverages; Humanoid robots with artificial intelligence for use in scientific research; Humanoid robots having communication and learning functions for assisting and entertaining people; Humanoid robots with artificial intell...