• Blocking 99% of harmful blue light (spectrum 380 nm-450 nm) and 100% of blue light (400 nm+). • Relief of eye strain, headaches and migraines caused by prolonged screen exposure. • Frame made of ultralight TR90 material weighing only 23 grams. • Amber-colored lenses that increase color contrast and protect eyesight. • Helps improve sleep quality by reducing blue light exposure before going to bed. • Ergonomic and comfortable design with spring hinges suitable for long-term use with computers, video games and mobiles.