Headphones; Assistive listening device not for medical purposes; Bone conduction earphones; Digital video cameras; Earphones and headphones; Eye glasses; Eyewear, namely, sunglasses, eyeglasses and ophthalmic frames and cases therefor; Polarizing spectacles; Protective glasses; Safety eyewear; Smart watches; Smart glasses; Sports glasses; Sunglass lenses; Sunglasses and spectacles; Sunglasses incorporating wireless speakers and microphones; Wireless headphones