Our promise 2 years friendly customer service.We will provide quality service at any time. Convenient replacement and return, zero risk purchase. When you use the product, there are any problems that we can all help you as soon as possible. Product features Blue light blocking glasses.Resin lens 1.61 refractive index. Aspherical wear-resistant lens Transparent and Clear, Environmentally friendly material. Suitable for frequent use computer,TV,Tablet or mobile phone, protect eyes filter harmful blue light. Stainless steel frame acetate temple,lightweight and durable, comfortable to wear. Prescription glasses manufactured quality,meticulous details, Lightweight and Durability. Can make an eye doctor to replace with prescription lens,used as prescription glasses. Metal spring hinges,strong and durable,radians can be adjusted,help glasses fit face shape. Solid and durable glasses case for protection and storage. Product use common sense Use water to clean the surface stains, soft cloth wipe or naturally dry. Try to avoid use detergent cleaning, will damage the lens surface coating. You can regularly add some oil in the spring hinge, can remain flexible. When used there are any functional problems, in the warranty period can be replaced for you free of charge.
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