Feature 1 BLUE LIGHT FILTERING: Through a variety of UV-resistant materials and multi-layer coating technology, more than 99% of harmful blue light in the 400NM-500NM wavelength range is blocked. 2 COMPREHENSIVE PROTECTION: Blue light is blocked through absorption and reflection, which not only blocks damage from blue light from the front, but also reduces damage caused by blue light reflection behind the lens. Protect your eyes from blue light in all aspects and take care of your eyes in all environments. 3 COMFORTABLE AND SCRATCH-FREE: Excellent PC nose pad, comfortable to wear, the edges of the lenses are polished with a matte process to avoid the risk of scratches. 4 WIDE APPLICATION: Can be used on mobile phones and computers to prevent radiation, blue light, and fatigue. 5 INCLUDED CASE: Equipped with a storage case for easy storage, portability, and use, and also prevents damage and loss. Product Type: Blue Light Filtering Glasses Material: PC Lens Material: PC Polyester Blue Light Filtering Range: 400-500nm Usage: To block radiation, blue light, and fatigue from mobile phones and computers. Package List: 1 x Blue Light Filtering Glasses 1 x Storage Case