High-concerned chemical : None
Element type : Trendy and Fashionable
Applicable Scenarios : Casual
Product Type : Fashion Sunglasses
Style type : Goggle
Place Of Origin : China (mainland)
Model Number : G220485
Lens Width : 6.5cm
Lens Height : 4.0cm
Lenses Material : TAC
Department Name : Adult
Gender : Men
Frame Material : Stainless steel
Lenses Optical Attribute : polarized,Photochromic,Anti-reflective,UV400
Product number:101YJIXSG
Origin : Mainland China
Item Type : EYEWEAR
Eyewear Type : Sunglasses
Certification : CE,None
Frame color: : Multi-color
Lens color: : Black,Gray,Photochromic lens,Yellow,Night vision
Lenses optical attribute: : Photochromic,Polarized,Anti-glare,Anti-radiation,UV400
Usage scope: : Shopping,Party,Travel,T Show,Driving,Sport,Cycling,Fishing
Suitable for Face Shape: : Round face,Long face,Square face,Oval face
Sunglasses Style: : Rimless Rectangle Sunglass Goggles Eyeglasses
Size: : One size fit all face
Gifts: : Sunglasses with bag,Glasses cloth,Mini utility screwdriver
Gender: : Mens Women's Sunglasses for Men Woman Male Female Ladies
Place of origin: : Made in china
Product Introduction:
The intelligent color-changing feature provides good light-transmittance and clear vision. 
Principles of discoloration: In ultraviolet light, the radiation will cause a chemical reaction that changes the lenses uniformly.
Description:
Introducing the NO. 1 Sunglasses in the world!
Perfect for all kinds of active lifestyles: Golf, Fishing, Running, Cycling etc.
Photochromic Polarized Glasses are the only pair you'll ever need!
Photochromic & Polarised Lenses
UV 400 protection
Extremely durable
Aluminum & Magnesium Stainless steel
Material:Stainless steel
Color: AS shown
Size:free size
Style:Casual
UV 400 Protection: The sunglasses block all three ranges of ultraviolet radiation: UVA, UVB and UVC and protect the human eye 100% from harmful effects of the sun rays.
Photochromic Polarized lenses: The lenses reduce irritating reflections and glare caused by light reflected from surfaces such as water, road, sand or snow. They absorb 100% of UV light and eliminate 99% glare light.
Note:
Due to different producing batches, product details might be a little different. If you minding the difference, please buy it carefully.
Please allow 1-3mm differs due to manual measurement.
Due to the different display and different light, the picture may not reflect the actual color of the item. Thanksfor your understanding.
Package includes:
1 Pcs Sunglasses
The revolutionary new sunglasses with built-in Photochromic  Technology. These unique lenses respond to changing lighting conditions almost instantly! Lenses automatically darken on bright light and lighten on low light. This effect is achieved by the photochromic lenses in our glasses.
Main Features :1.UV400 PROTECTIONOur sunglasses block all three ranges of ultraviolet radiation: UVA, UVB and UVC and protect the human eye 100% from harmful effects of the sun rays. This is achieved by a multi-layer lens design for optimal eye protection.
2.POLARIZEDWhile most glasses only offer UV-A and UV-B protection, we go the extra mile by also polarizing our lenses. Polarization helps reduce strain on your eyes, increases visual comfort and more importantly, it dramatically increases visual clarity by reducing glare. In addition to all this, you can experience the world in brilliant colors and with more contrast than ever before!
Discoloration Principle
This glasses lens is contain discoloration factor, it will occur chemical reaction under the ultraviolet radiation.
When the sun changes strongly, the lens color will be dark gradually and it will absorb ultraviolet rays at the same time.
But when their is no sun light , the glasses lens will be back to original color.
3.Lightweight Our frames are made of Aluminum and Magnesium which are known for their extreme strength while being lightweight.