【BLUE LIGHT BLOCKING GLASSES】These anti-blue light reading glasses can effectively block blue light and UV400.Relieve eye fatigue caused by long hours of reading, working and watching, improve sleep and prevent headaches. | 【FOLDING DESIGN】Foldable TR90 frames and spring-hinged telescopic temples make the glasses smaller and fit any face shape. | 【PORTABLE CASE】This folding reader is equipped with portable case for easy portability and can protect the glass from external aggression. Compact package design, does not take up space. | 【2 PAIRS READERS】Buy 2 pairs of glasses at once, suitable for all occasions, whether for living room, study, office, bedside, indoor or outdoor use. You can take it wherever you like. | 【AFTER SALES SERVICE】We offer a 90-day money-back service for all products. If you have any problem in the use process just contact the seller to solve the problem within 24 hours.