Karsaer Photochromic Sunglasses for Men and Clear UV UV Protection and Perfect for and Travel Women, Lens, Protection, Lightweight, (Photochromic

[Photochromic Function] Photochromic lenses change color depending on the strength of UV rays. Therefore, please note that the color change may be weaker in environments with weak UV rays, such as in an office, indoors, or on cloudy days. For photochromic effects, please refer to the included UV light (blue light) and photochromic instructions. [UV Protection] Blocks over 99% of UV rays, thoroughly preventing damage to the eyes. Providing stress-free vision. Also an excellent fashion accessory. Matches a wide range of styles, from casual to work, making them perfect for everyday use. [Lightweight design] The frame is made of lightweight and durable aluminum-magnesium alloy and resilient TR material, resulting in an incredibly light weight of just 20g, providing a comfortable fit that puts less strain on the ears and nose even when worn for long periods of time. [Simple and Stylish] These glasses feature a simple, streamlined design that is sophisticated and stylish. The classic square shape fits a wide range of face shapes, making them suitable for everyone, regardless of gender or age. They are a must-have fashion item that matches any outfit, from everyday wear to formal occasions. [Karsaer] Sunglasses that give you clear vision and highlight your beauty. Add sparkle to your eyes and confidence to your style.