New Fashion Photochromic Glasses Vintage Frameless Square Frame Anti-Blue Light Eyeglasses Women Men Optical Eyewear Uv400

High-concerned chemical : None Element type : Trendy and Fashionable Style type : Rectangle Place Of Origin : China (mainland) Frame Material : Plastic Gender : Unisex Lenses Material : Plastic Origin : Mainland China Certification : None feature a1 : rimless Eyeglasses feature a2 : anti radiation glasses feature a3 : Vintage glasses MAIN FEATURE FULL PROTECTION - Glasses suitable for indoor and outdoor. ANTI BLUE RAY - Can filter of the blue light and keep your eyes healthy. ANTI UV400 - It can block UVA and UVB  from sunlight. RELIEVE FATIGUE - Glasses can relieve eye fatigue, especially when using electronic devices (such as mobile phones, computers, TVs, Pad etc.) COMFORTABLE TO WEAR - The glasses are 19g, so you can't feel their weight when wearing them. This is the gift for people who use electronic devices for a long time (students, office workers etc). Widely Use: This product is suitable for driving, vacation travel, outdoor activities, leisure fashion, street photography, etc. Color Changing Lenses: The lenses of this pair of glasses can automatically change color when you feel ultraviolet light while wearing them, resulting in transparent lenses indoors and gray lenses outdoors.