Feature 1 BLUE LIGHT BLOCKING RANGE: Through a variety of UV-resistant materials and multi-layer coating technology, blocks more than 99% of harmful blue light between 400NM-500NM 2COMPREHENSIVE PROTECTION: The blue light is blocked through absorption and reflection, which not only prevents the damage of blue light on the front, but also reduces the damage caused by the reflection of blue light behind the lens. Protect your eyes from blue light in all aspects and take care of your eyes in all environments 3COMFORTABLE AND SCRATCH-FREE: Excellent PC nose clip, comfortable to wear, the lens edges are polished with a frosted process to avoid the risk of scratches 4WIDE RANGE OF USES: Can be used for mobile phones and computers to prevent radiation, blue light and fatigue 5WITH CASE: Equipped with a storage case for easy storage, portability and access, and also prevents damage and lossItem Type: Blue Light Blocking GlassesMaterial: PCLens Material: PC polyesterBlue Light Blocking: 400-500nmUses: Mobile phone computer prevents radiation, blue light and fatiguePackage List: 1 x Blue Light Blocking Glasses1 x Storage Case