☮PROTECTION FOR YOUR EYES - Alleviates visual fatigue and discomfort from long periods of web surfing, gaming and working under fluorescent lights with UV400 protection and glare reduction. | ☮Eliminate fatigue - Blue Light Blocking Glasses can 100% effectively block harmful blue light coming from phones, computer monitors, gaming, and other devices. Eliminates eye strain that causes headaches, aching eyes, and blurred vision | ☮TR90 MATERIAL FRAME - The frame of these blue light glasses are made from TR90 material. TR material makes these computer glasses only half weight of plastic glasses, and two times durable. And these blue light blocking glasses are also constructed with reinforced metal hinges to ensure durability and avoid breaking. No fade. | ☮Transparent Lens - multi layer blue filter coating is much more effective than toher non-coated glasses. This filters out almost all of blue light while letting you see clearly and precisely. Great for close work when you want to see details. Filters out annoying glare for better safety when driving. Great for walks and enjoying the outdoors. | ☮LIFETIME WARRANTY - ensures all our customers with 100% Money Back Guarantee and Lifetime Breakage Warranty for our product. In case of any broken issues,please contact us without hesitation. We will provide the best service until our customers are satisfied. You have no risk to try!