Product DetailsName: Photochromatic Cycling GlassesGender: UnisexAttributes Lenses: PhotochromaticColor: Black Red, BlueWeight: Only 29gMaterial: TR frame+PC rubber temple+Photochromatic lensProduct Features1. PC photochromic lens + TAC polarized lens2. Adjustable nose pads3. The photochromic lens can change its color with the change of the intensity of external ultraviolet rays4. Colorful coating technology5. Pneumatic vent design6. 100% UV ProtectionNotes1. Color change time: winter-1 minute, summer-40 seconds.2. Speed depends on sunlight and UV intensity!3. The rate of discoloration is related to the intensity of ultraviolet light and the temperature.(if UV intensity and temperature is low, The speed of discoloration will become slower).
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