Pochromic Outdoor Fashion Glasses Unisex Stylish Round Frame with Metal Hinges Transition Lenses for Indoor & Outdoor Use

High-concerned chemical : None Element type : Basic Classic Style type : Oval Place Of Origin : China (mainland) Frame Material : Stainless steel Model Number : A2955 Gender : Unisex Lenses Material : Polycarbonate Origin : Mainland China The benefits that photochromic glasses can bring to you: ?Protection for more occasions - suitable for indoor and outdoor glasses. Anti blue light - can filter out most of the blue light and maintain eye health. ?UV resistant 400- It can block 100% of UVA and UVB radiation in sunlight. Photochromic lens - When ambient light becomes brighter (more pronounced in sunlight), the lens darkens. ?Wearing comfortable glasses can alleviate eye fatigue, especially when using electronic devices such as phones, computers, televisions, tablets, etc