Product information:

Lens material: resin
Lens function: anti blue light
Mirror frame colors: black gold frame, black silver frame, black gold frame [changing color to gray], black silver frame [changing color to gray]
Degree: Anti blue light flat light (no degree),presbyopia+100 degrees anti blue light, presbyopia+150 degrees anti blue light, presbyopia+200 degrees anti blue light, presbyopia+250 degrees anti blue light, presbyopia+300 degrees anti blue light, presbyopia+350 degrees anti blue light, presbyopia+400 degrees