Digital voice recorders; Wireless computer mice; Computer keypads; Portable media players; Smart glasses; Multimedia projectors; Telephone sets with screen and keyboard; Digital door locks; Sound recording apparatus; Wireless earbuds; Office automation systems comprised of computer hardware, wireless and wired controllers, and downloadable software for automating appliances, lighting, HVAC, security, electrical power; Smart home hubs using artificial intelligence (AI) comprised of voice-activ...