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User Manual x 1
Use with adult supervision
These glasses have an Ultra-photochromic coating that transitions to become dark when it gets light outside and translucent when it gets dark
easy installation (Depends on options)
Photochromic Wood Grain Frame Prescription Myopia Sunglasses Air Cooling Fan User Manual x 1Warm tips 1. Please correctly understand photochromic glasses, he color depth does not equal sunglasses 2. Test discoloration, it is recommended to test at noon, noon sun UV strong, discoloration can achieve the best results, more test several times, the effect is better. Photochromic lenses are mainly used in open air fields, snow fields and indoor light sources, so as to prevent sunlight and ultraviolet light from damaging the eyes. Photochromic
