These lightweight glasses offer over 80% blue light reduction, making them ideal for extended screen time. 99.99% UV protection. - Product Name: High-Spec Glasses - Blue Light Cut Rate: Over 80% - Bonus: Includes a gift - Usage: Perfect for long hours of screen viewing - Design: Lightweight and comfortable I opened the package to check the product. I am selling these because I use different glasses due to my strong myopia. Thank you for looking.