Anti Blue Light Lenses feature double protection technology. These high-end lenses resist harmful blue rays, reduce eye fatigue, and minimize eye damage from digital devices. The glasses provide all-day protection. Ultra HD Visual Experience: Precise lens degree configuration with high-definition lens material. Our reading glasses enable easy reading of small text and subtle details, maintaining clear vision for a better viewing experience. Stylish Metal Frame: Includes three sets of readers with a metal full frame and rust-free metal spring hinges and screws. Designed for men, they are classic and attractive, sturdy and durable, with no worries about broken frames. Accurate Magnification Strength: The reading glasses are accurate and made of quality, crystal-clear material, with many diopter strengths to choose from, such as +1.00 +1.25 +1.50 +1.75 +2.00 +2.25 +2.50 +2.75 +3.00 +3.25 +3.50 +3.75 +4.00 magnification strengths. Use scenarios: - Long computer or screen work to reduce blue light exposure and eye strain. - Reading small print in books, manuals, or labels with improved clarity. - Daily tasks and casual reading at home or on the go, where clear vision and eye comfort are important.