Feature:1. Efficient Blocking: Through a variety of different UV materials and multi layer coating technology, the lens can block more than 99% of harmful blue lights between 40Onm500nm.2. Eye Protection: Use absorption and reflection methods to block blue lights on the front and rear of the lens, comprehensively protect the eyes from blue lights damage.3. PC Nose Clip: The nose clip is made of premium PC material, which is comfortable to wear, and the edge of the lens is polished with a frosted process, avoid the risk of scratching.4. 180 Vertical Flip: The glasses clip can be flipped vertically 180, which can be flipped up directly when not in use, more convenient to use.5. Easy to Wear: Just one buckle to clip on the nose bridge of your glasses, and is easy to take off, very lightweight, you will wear without feeling.Specification:Item Type: Clip On GlassesMaterial: PC, UVAnti Blue Lights Range: 400-500nmFlip: 180.Package List:1 xClip On Glasses1 x Cleaning Cloth1 x Storage Box