---- -glasses feature selection help ------ [01# black frame + photochromic lenses ]= the lens of the glasses is automatic color changing lens.The lens changes the color depth of the lens according to the change of light intensity.When the light is strong, the color of the lens becomes black; when the light is weak, the color of the lens becomes light; on cloudy days and nights, there is no sunlight, the lens becomes transparent gray.It works both day and night.
About quality:The frame of the glasses is made of aluminum and magnesium alloy, which is strong, strong, light in texture, low in density, good in heat dissipation and strong in pressure resistance.The eyeglasses nose rest is made of silica gel and designed with hollow pattern. It is soft and comfortable without pressure. It can be slightly adjusted according to the width of the bridge of the nose of the wearer.High quality rubber cover is adopted at the end of the eyeglasses trivet, which is d
Size and weight: Single lens-- length 6.8cm* width 4.3cm, Glasses frame -- 14cm wide, The legs of the glasses are long -- 16cm long. Span of nose rest -- 1.5-2.5cm wide (adjustable), Weight of glasses -- 28.5g,