1.BLUE LIGHT FILTER LENS transparent lens. Blueray blocker with UV400 protection, Effectively resist harmful Antiblue Light. prevent insomnia and macular degeneration. Obviously reducing eye strain, glare, headache, fatigue, migraine caused from gaming / reading phone PC TV digital screen. 2.COMFORTABLE TO WEAR springhinged mirror legs ensure a comfortable fit,no pressure to wear the glasses,Enjoy your digital time,successful contrast between a retro square shape and futuristic clear finish, this frame is sure to turn heads wherever you go. 3.HIGH QUALITY MATERIAL polycarbonate lenses reduce chromatic aberrations, restore true colors,lenses with accurate degrees, Temple with firm and flexible,excellent toughness, lightweight, and making these reading glasses not easy to be scratched.To ease your close reading pressure. 4.4 PAIRS OF QUALITY READERS Convenient set allows you to keep a pair of glasses for reading in different places, packing:collocation eyeglass cloth, closure bags, cleaning cloth,screwdriver