UV400:Ultraviolet transmission with a wavelength below 400 nm The average transmittance of retro round sunglasses' lens is not more than 2%.Need to note that polarization and UV400 are different concepts.What we need is a pair of true UV400 protective sunglasses that are both stylish and eye-protecting.Why choose FADCHAI ?Timeless, durable and suitable for the general public Lucky in 2019 begins with a pair of FADCHAI sunglassesFADCHAI is born for you: Must-have for driving, essential for travel, essential for sports, essential for shopping, essential for fishingFADCHAI glasses material interpretation: 1. High-definition visual experience 2. Block glare to protect the eyes 3. The beautiful world of true colors 4. Strong impact resistance 5. Comfortable wearing feeling 6.UV400 protection 7. Very easy to clean 8.9 layer super thin sheet synthesis Products include: 1 x lightweight product case; 1 x ultra-fine glasses cloth; 1 x portable elastic glasses bag. Here are the tips of sunglasses maintenance: 1. Avoid touching the lens with your hands, and use both hands to hold the glasses and wear them along the sides of the cheeks. 2. The screws are loose, please get the glasses shop for repair. 3. Avoid prolonged exposure to places where the sun is easily exposed. 4. Long time stuck on the head and hung on the chest, it will cause the glasses to deform.5. When the lens is dusty or other impurities, please rinse with running water before wiping. If the lens adheres to cosmetics or stains containing chemical solvents, please wash it with water as soon as possible to avoid corrosion of the lens and coating. 6. Special Note: sunglasses with polarized lenses cannot be cleaned with ultrasonic waves, otherwise the polarizing effect will be destroyed.
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