Features: Useful Glasses: Our glasses can effectively block mobile phone computer LED blue lights which will causesore swollen itchy eyes dry eyes easy fatigue decreased vision and eye damage. Premium Quality: The glasses are made of metal material the lenshas 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 a wonderful 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: Metal Glasses Width: 131 mm Glasses Length: 140 mm Glasses Height: 55 mm Single Lens Width: 50 mm Nose Bridge: 18 mm Weight:12g(lens are not included) 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. includes: 1*Glasses "