For better work and better life, HAOMAO focuses on blue light blocking glasses and brings you enjoyment of digital life. UV protection -- Anti-Blu-ray Lenses utilize special U.S. substrate processing technology to protect the eyes from ultraviolet radiation and block UV400. Minimize headache:Do you suffer headaches from long time screen time? HAOMAO blue light filter glasses men women will supercharge your health by blocking detrimental blue light while letting in all other beneficial light. Anti eye fatigue:Electronic products emit harmful blue light, HAOMAO blue light blocking glasses can effectively block these harmful blue light and reduce eye fatigue caused by long-term use of computers or mobile phones. Lenses Material:Polycarbonate Gender:Unisex Lens Width:55mm Lens Height:47mm Frame Material:Plastic Certification:CE Frame color 1:black clear glasses frame Frame color 2:brown eyeglasses Frame Material:plastic frame eyewear Style 1:optical glasses frame Style 2:blue light blocking eyeglasses Style 3:square eyeglassesAttentive service:We pride ourselves on the high level of customer care we provide - please feel free to contact us with any queries or issues and we will get back to you in under 24 hours. We aim to give you the confidence to purchase a pair of blue light glasses so you too can experience their benefits. Light Weight High Quality :With lightweight frame,our glasses is No pressure on your nose and protect your face from friction. So it is comfortable to wear all day .The high quality materials and stable frame design make it durable without worry. COMFORTABLE FIT – Intelligently designed to easily fit everyone. The lightweight but durable glasses sit comfortably on your nose and ears for long periods of time without causing irritation or soreness. REDUCE EYESTRAIN SLEEP BETTER -- enjoy your digital time, NO worry about eye fatigue, blurred vision and headache, blue light blocker for your eyes and guardian for your health. BLUE LIGHT FILTER LENS - Low color difference,bring you good visual experience,shock resistant ,non fragile and water proof, dust free and easy to clean,safe to wear, Block harsh blue light and UV400,Blue light blocking computer glasses is Professional for people who work long hours on computers, tablets, games, on the phone or on TV.