Communication hubs; Electronic-based instruments for measuring environmental parameters including humidity, mold, bacteria, air quality and water quality; Electronic devices used to locate lost articles employing the global positioning system or cellular communication networks; Electronic devices for locating and tracking people using radio frequency or global positioning system; Electronic devices used to locate lost objects employing radio frequency; Electronic devices, namely, handhelds for exchanging data in energy meters or submeters; GPS tracking devices; Lenses for smartphone cameras; Loud speakers; Magnetically encoded identification bracelets; Mobile computing and operating platforms consisting of data transceivers, wireless networks and gateways for collection and management of data; Pedometers; Smart watches; Stereo headphones; Temperature indicators; Thermo-hygrometers; Time switches, automatic; Wireless ear buds; Encoded identification bracelets, magnetic