Earphones; Smartglasses; Headphones; Virtual reality glasses; Wearable computers in the nature of smartglasses; Field-glasses; Bone conduction earphones; Optical glasses; Wireless headphones; 3D spectacles; Wearable computer peripherals in the nature of wireless mice; Smartwatches; Wearable cameras; Optical lenses; Wearable video display monitors; Wearable technological devices being smartwatches; Wearable technological devices being virtual reality headsets; Smart rings; Wearable electronic ...