[Worry-free Service] If there is any problem with the glasses, please contact us, we have been providing customers with the best after-sales service, your try without any risk. [6 Pairs of Blue Light Reading Glasses] Each readers is equipped with a PU leather case to protect that; you can place a pair of eyeglasses where you need to read for daily use. [Adjustable Spring Hinge] Ergonomic design, spring-hinged temples can open 25° outward to accommodate any face shape. [Comfortable Wearing] TR90 fashion rectangular eyewear frames, durable and lightweight, will not put pressure on the nose, suitable for long time wear; anti reflective clear HD lenses keep a perfect balance between ensuring the accurate magnification and restoring the true color. [Effectively Filter Bluelight] Prolonged exposure to blue light will cause eye strain, dry eye and headache. Our blue light reading glasses will protect your eyes from harmful effects of blue ray from computer, phone and TV.