Features: Useful Glasses: Our glasses can effectively block mobile phone, computer, LED blue lights which will cause sore, swollen, itchy eyes, dry eyes, easy fatigue, decreased vision, and eye damage. Premium Quality: The glasses are made of TR material, the lens has an easy-to-clean film and an anti-blue light coating, which can effectively protect against UV rays and harmful blue-violet light. The reinforced and hard reflective layer can effectively convert harmful blue light into beneficial light. Multiple Functions: Smart color-changing lenses can change color according to the intensity of sunlight. The stronger the sunlight, the deeper the color changes, and it moves with the light. Outdoors with a sunglasses effect. Variety of colorful colors to choose from. Comfy Frame: Flattering lines create aesthetically pleasing frame appearance, and ergonomic construction provides the best wear feeling and all-day comfort. Trendy Glasses: Classic and artistic frame and pretty color design lets you look so beautiful. Not only provide more protection for your eyes also let you look much more fashionable. Specification: Material: TR Glasses Width: 144 mm Glasses Length: 139 mm Glasses Height: 53 mm Single Lens Width: 55 mm Nose Bridge: 18 mm Weight: About 11.2 g (Not Include Lens) Notice: 1. Due to different monitors and lighting effects, the actual color may be slightly different from the image. 2. Due to manual measurement, please allow 1-3mm deviation. Include: 1×Glasses