Earphones; Loudspeakers; Microphones; Semi-conductors; Audio-receivers and video-receivers; Batteries, electric; Biometric identification apparatus; Biometric scanners; Blank USB flash drives; Communication modems; Computer network hubs; Computer peripheral devices; Downloadable computer software for controlling and managing access server applications; Downloadable computer software for encryption; Downloadable mobile applications using artificial intelligence for home automation; Electric an...