• Effnny blue light blocking glasses are designed to prevent harmful blue light, reduce eye strain, dryness, and vision loss. • They provide all-day protection against the harmful effects of high-energy visible blue light and UV400 rays. • Ideal for readers, gamers, and other computer screen users, offering comfortable vision. • The ultra-lightweight and wear-resistant frame effectively protects the eyes and face from damage caused by breakage and friction during sports. • Metal hinges are more stable, and the classic frames with fashion design match different clothing styles. • Transparent lenses with high clarity, high light transmittance, and low chromatic aberration. • The blue light filtering effect is up to 90% or more, and the glasses also block UV400 rays. • Frame material: ultra-lightweight TR90, comfortable to wear. • Product dimensions: 5 cm wide, 10 cm high, and 10 cm long. Weight: 0.04 kg. • Perfect for daily use, reading, and gaming, with a unisex design and included accessories.