{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.
{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.
{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.
{Blue light filtering glasses} - Transparent glasses with UV400 protection block 99.99% of harmful blue light from screens like computers, TVs, phones, tablets, and video devices; helping to reduce symptoms like headache, migraine, eye strain, dry eyes, and glare.
{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.