<li>ADVANCED TECHNOLOGY - Our advanced manufacturing process allows our blue light glasses to block more blue light without getting that harsh yellow found in other glasses for computer eye strain.</li><li>FEEL GREAT RIGHT AWAY INSTANTLY - Get rid of tired eyes, eye strain, headaches and migraines as well as protecting your eyes from long term damage. With our computer glasses you notice a difference within the first hour.</li><li>WORKS WITH YOUR LIFE - Fake glasses for the office? Readers? Gaming glasses? PROSPEK blue light filter glasses come in a variety of styles so you don't have to stand out unless you want to.</li><li>NO HARSH YELLOW TINT - Unlike other blue blocker glasses, our bluelight glasses reduce the yellow tint. Our glasses block the most harmful blue light making sure you are protected!</li><li>LIFETIME WARRANTY - you can return the defective products for repairing or exchanging for free at any time without any question. Kindly Notice:not including man-made damage.</li><li>Blue Blocker Lens: lens can block harmful blue light, release your eye fatigue when watching TV and looking at computer. And provide you 100%UV400 protection.</li><li>Reduce Eyestrain and Enjoy Better Sleep: no more eye fatigue, blurred vision and headache during your computer/ ipad/ tablet/ iphone screen time. Better sleep for you, blue light blocker is there for your eyes and guardian for your exquisite life.</li><li>Transparent Lens(Not Tinted Yellow Lens): give you a clear vision when play computer and laptop.</li><li>Packing list: 1* eyeglasses; 1* soft clean cloth; 1* blue light blocking test tools.</li><li>Lifetime Warranty: you can return the defective products for repairing or exchanging for free at any time without any question. Kindly Notice:not including man-made damage.</li><br><br><b>Blue Light Blocking Glasses: Improving Your Digital Life</b><br><br>√Blue light blocking glasses lens applies the cutting-edge U.S. HEV-Adsorb substrate absorption technology. It can absorb and cut 39% of harmful high-energy blue light.<br><br>√UV light prevention, Anti-blue-ray lens utilizes special U.S. substrate processing technology to protect the eyes from ultraviolet radiation and block UV light 420.<br><br>√Transparent lens, the lens was made of a fully transparent base, without adding any pigment, while maintaining high light transmittance. less reflective, no affect reading, and almost no color difference, which can be perfectly used as computer glasses<br><br>√Stylish frame, give men and women an elegant fit<br><br>√Replaceable lenses -The original non-prescription lenses can be replaced with progressive/prescription lenses at your neighborhood reading glasses place.<br><br>√Premium Lens Coating – UV Light Blocking (100% Blocking UVA&amp;100% Blocking UVB)