Blue light blocking glasses can effectively block blue light coming from phones, computer monitors, gaming, and other devices. Eliminates eye strain that causes headaches, aching eyes, and blurred vision. Excellent craft, carefully down to every detail to give it a chic and retro look._x005F_x005F_x005F_x000D__x005F_x005F_x005F_x000D_Features_x005F_x005F_x005F_x000D__x005F_x005F_x005F_x000D_Material: metal_x005F_x005F_x005F_x000D_Size:13.00X15.00X5.00cm/5.1-1X5.89X1.97in_x005F_x005F_x005F_x000D_ Made of quality metal material, safe and durable for use, no harm, skin friendly._x005F_x005F_x005F_x000D_ Not easy to break or deform, long serving life. One size fit for most women and men._x005F_x005F_x005F_x000D_ Comes with chic and bright colors, look great when your wear it._x005F_x005F_x005F_x000D_ Multipurpose, suitable for watching TV, playing games, playing mobile phones, using computers, etc._x005F_x005F_x005F_x000D_ Blocking blue light with ease, better protect your eyes. No degrees, more safe to use.Packing list1 x Glasses.