Apparatus for measuring golf swing speed; Bicycle helmets; Dashboard cameras; 360-degree video cameras; 3D spectacles; GPS tracking collars for pets; Grip holders for smartphones; Monoculars; Night vision goggles; Range finders for hunting and golf; Reflex sights for firearms; Rifle scopes; Smart ear buds; Smart glasses; Smartglasses; Smart rings; Smartwatch bands; Smart watches; Virtual reality glasses; Zenith telescopes