Headphones; Closed circuit TV systems for security and surveillance, namely, cameras, switchers, monitors, microphones, and recorders; Electron capture detectors; Electronic animal confinement systems; Electronic apparatus and devices for controlling access to pay-television services; Electronic book reader; Electronic detectors for observing and measuring the infrared spectrum, namely, infrared detectors; Electronic equipment, namely, transformers, baluns, and cables, all used in connection ...