MAIN FEATURE FULL PROTECTION-Glasses suitable for indoor and outdoor. ANTI RADIATION-it filters out most of the blue radiation, maintaining the health of your eyes. ANTI TIRED EYES-Our lenses can eliminate eye fatigue especially when watching TV and working at the computer. ANTI UV400-with a UV 400 lens, it can 100% block harmful UVA & UVB rays from the sun. Anti-UV-UV400, can completely block UV rays from the sun, giving you full protection in the sun. PHOTOCHROMIC LENS-the lens will change color automatically when exposed to sunlight. This is the best gift for people who use electronic devices for a long time (students, office workers etc). ️️Purchase notes Optimal spot quality assurance. The size is manually measured, there will be some errors, which will not affect normal use. Stores are all brand new stocks, shipped within 48 hours, normal delivery within 2-3 days. ️️Return policy If there is a product delivery error or quality problem, please contact us through chat as soon as possible. We will provide free replacement or refund!