Batteries; Batteries and battery chargers; Communications headsets for use with communication radios, intercom systems, or other communications network transceivers; Computer chips; Computer game software downloadable from a global computer network; Computer storage devices, namely, blank flash drives; Computer storage devices, namely, high-speed storage subsystems for storage and backup of electronic data either locally or via a telecommunications network; Downloadable cloud computer software for use in database management and for use in electronic storage of data; Downloadable computer software for use as a spreadsheet and for word processing; Earphone accessories, namely, earphone cushions, earphone pads, cord management systems, earphone cases, and earphone extension cords; Earphones; Electronic chips for the manufacture of integrated circuits; Electronic monitors for monitoring flowmeters; External computer hard drives; Headphones; LCD monitors for security purposes; Liquid crystal display (LCD) monitors; Mobile phone cases featuring rechargeable batteries; Mobile phones; Monitoring devices for monitoring battery performance characteristics; Near field communication (NFC) technology-enabled devices, namely, walkie-talkie; Rechargeable electric batteries; Smartphones; Sound recording apparatus; Sound transmitting apparatus; Tablet computer; Telephone sets; Transparency projection apparatus