Lens cleaning pen brush :this lens cleaning pen brush has 3 cleaning parts, namely cleaning brush, large cleaning head and small cleaning head; The 3 in 1 cleaning effect can clean the lens more quickly and effectively, so that the lens is no longer damaged by dust, which affects the picture effect and lens' life,OPTURA HD- Premium Microfiber Cleaning Cloths Engineered to clean, you won't find any loose threads or coarse edges. Soft, durable and effective, they're safe to use on your delicate screens and lenses. OPTURA HD cloths protect what you care about at home, in the car, or at work. Use it to clean eyeglasses, smart phones, camera lenses, jewelry, glassware, mirrors, anything you want to keep Like New, Every Day. -Keep What You Care About Like New, Every Day! Fibers 200x thinner than human hair trap, oil, fingerprints, dirt, dust, and smudges without using chemical cleaners. Clean your objects, faster and better. 100% Safe for Screens and Surfaces Frustration free. Clean your smartphone, tablets, computer, TV, or touch screen! Get the crystal-clear optics you paid for from camera lenses, binoculars, telescopes, and all types of optical glass. Wash and Reuse 500+ times Hand wash only, with no detergents. Air dry only and it's ready to use again.