【FILTER BLUELIGHT GLASSES】-Clear glasses with UV400 protection can anti 100% harmful blue ray from computer PC, TV, phone & ipad, tablet, video; reduce headache, migraine, eye strain(fatigue), eye dry and glare.
【HELP YOU SLEEP BETTER&REPLACEABLE LENS】-Blue blockers help you sleep faster and longer, the blue ray blocker can help you produce Melatonin (sleep hormone) faster, making you sleep better naturally- without any pills. The original lenses can be replaced with your prescription lens at any time.
【COMFORTABLE WEARING】-Durable, flexible and lightweight, square nerd TR90 frame suitable for all faces. You can wear our glasses for long-term with no pressure feeling in front of digital screens or your trip out of town.
【2 PAIR AT GREAT PRICE】-Unique retro&vintage minimalist design makes you full of passion all the time, fashion&trendy. Best gift for parents, friends and yourself.
【100% NO RISK TO TRY】-In case of any question or problem, please contact the seller without any hesitation to solve until satisfaction. You have no risk try. Customer satisfaction is our priority.