ANTI BLUE LIGHT LENSES - Blue light blocker and UV400 lenses, alleviate visual fatigue and discomfort from browsing mobile phones, tablets, gaming, and working under fluorescent lights with UVA/UVB protection and glare reduction.
POLYCARBONATE LENS - Reduce eyestrain, and anti-blue ray to a great extent. Enjoy your digital time, and no worry about eye fatigue, blurred vision, and headache, let you have a better sleep.
METAL FRAME AND SPRING LEGS - The metal frame is impact resistant, scratch resistant, durable, unbreakable, with spring legs that are elastic enough not to break easily. And can adapt to different face shapes and head sizes.
CUSTOMER SERVICE - Products come with a 30-day money back, lifetime warranty. We provide you with customer service. If you have any questions, please feel free to give us feedback.