GUNNAR Razer anti blue light mobile phone anti fatigue radiation fashion game flat light e-sports brain protector glasses for men and women (-2:-2:ultraviolet-proof:Anti fatigue;-1:-1:Anti blue light:radiation protection;1626988:493262415:Refractive index of lens:1.61 (thin);1627207:11668639678:Color classification:Black Paralex - Children's Edition)