Transmitters of electronic signals; Computer software applications (downloadable); Computer software; Computer hardware; Monitors (computer hardware); Video screens; Liquid crystal displays; Spectacle cases; Eyeglasses; Smartglasses; Eyeglass lenses; Eyeglass frames; 3D spectacles; Wearable computers; Wearable activity trackers; Mobile application software; Wearable electronic devices; Electric or electronic display screens