8517 Photochromic Sunglasses Wrap-Around Polarized Sun Glasses UV400 Protection Color:Black Yellow/Night Vision Lens and vanadium alloy elements are

and vanadium alloy elements are added to improve hardenability

Storage: TF memory card (not included)

• With lithium battery charging

• 【Convenient Carry Design】Equipped with a hand strap and an adjustable crossbody strap (70cm to 140cm) for hands-free convenience

8517 Photochromic Sunglasses Wrap-Around Polarized Sun Glasses UV400 Protection Color:Black Yellow/Night Vision Lens and vanadium alloy elements areFeatures & Specifications Photochromic Lenses Intelligent color changing TAC lenses automatically adjust tint based on UV intensity, providing clear vision for both day and night use UV400 Polarized Protection Effectively blocks harmful UVA UVB rays and glare, reduces eye strain, and delivers high definition, true to color vision for outdoor activities Lightweight & Comfortable Fit Ergonomic wrap around design with lightweight materials reduces