Features: Blue Light Filter Glasses:This glasses can be used as blue light blocking glasses, the lenses can block harmful blue light from digital screens and UV400. It is suitable for indoor and outdoor activities, such as reading, working, shopping, walking. Effectively Relieve Eye Strain:Computer gaming glasses effectively block harmful blue light, screen flicker, it can relieve your glasses fatigue when using mobile phones, tablets and computers, protect your eye and ensure your work efficiency during the day and quality sleep at night. Premium Material: The fashionable style is very suitable for decorating your face. It is made of quality PC and metal materials, durable and light in weight. Application: Whether facing a PC computer, for Ipad, smart phone, TV screen, game console & digital products, this blue filter can reduce eye fatigue, glare and improve sleep, thereby protecting the eyes. After Sale Customer Service: If you have any problems about our products, please feel free to contact us, we are ready to help. We will solve your problems as soon as possible. Specification: Material:PC,Metal Glasses Total Width:134mm Glasses Leg Length: 145mm Mirror Height: 47mm Single Lens Width:52mm Nasal Spur:18mm Weight:18g 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