- Durable and Stable Frame: The frame is made of high-quality plate material. Compared with ordinary PC material, plate material offers good luster, strong texture, resistance to discoloration, higher stability, and greater durability. - Blue Light Blocking Protection: Blue light blocking glasses with UV400 lenses block 99% of harmful blue light and UVA/UVB. Suitable for both men and women. Ideal for use with digital screens such as TVs, videos, PCs, and phones. - Eye Protection and Comfort: The blue-light lenses reflect blue light through a coating on the lens surface and provide a high degree of color rendering accuracy. They can alleviate irritation from strong and blue light, delivering a more comfortable visual experience. - Flexible Spring Hinge Design: The spring temples can expand up to 15 degrees, reducing squeezing on the head and providing excellent protection for your face. - Use scenarios: Ideal for long hours at the computer, watching TV or videos, and using smartphones or tablets.