1、High-definition lenses, wide-angle large frames, high-definition and wide field of vision 2、Using waterproof and fog-proof lenses, gives you a clear underwater vision 3、Blocking UV ultraviolet rays, it will not be irritated by strong light 4、Soft silicone cushion ring, dense adsorption, easy to squeeze the eyes and leak water 5、High-elastic adjustment belt, very considerate design, not picky about the face shape, not tight after wearing for a time 6、The swimming cap is made of elastic silicone, closely attached; blocking chlorine water, not easy to damage the hair