Camcorders; Smartglasses; Audio- and video-receivers; Computer peripheral devices; Data processing apparatus; Data processing equipment, namely, couplers; Downloadable computer programs for the enabling of access or entrance control; Downloadable computer software for manipulating digital audio information for use in audio media applications; Downloadable computer software to enhance the audio-visual capabilities of multimedia applications, namely, for the integration of text, audio, graphics, still images, and moving pictures; Downloadable interactive multimedia computer game programs; Downloadable virtual reality game software; Electric and electronic video surveillance installations; Head-mounted video displays; Headsets for virtual reality games; Interactive touch screen terminals; Joysticks for use with computers, other than for video games; Playing devices for sound and image carriers; Sound transmitting apparatus; Video monitors; Virtual reality glasses; Virtual reality headsets; Virtual reality headsets adapted for use in playing video games; Wearable computers in the nature of smartwatches; Wearable video display monitors