Wearable technological devices, namely, smartwatches, smart rings, smartwatch bands, smart wristbands, smart glasses, smart helmets in the nature of wearable activity trackers, wearable activity trackers incorporating sensors for monitoring and recording physiological data, wearable ultraviolet exposure monitors for non-medical use, wearable radiation detectors, wearable air quality monitors, electronic posture-monitoring and movement-tracking devices, namely, wearable accelerometers and gyro...