?1-YEAR MONEY-BACK GUARANTEE & 1-YEAR WARRANTY?-All JJWELL customers enjoy the high-quality 24-hour after-sales service, 1-YEAR Money-Back Guarantee and 1-Year Warranty. Any problems pls contact us without hesitation. ?WIDE COMPATIBILITY?-Readers men with spring hinge frame and silicone nose pads, can adapt to most face and nose shapes, durable for long-term use. Classic rectangular half frame design, suitable for men. ?DURABLE & LIGHTWEIGHT?-Reading glasses men, textured metal frame, durable and do not fade. High quality plastic temple and acrylic lenses, lightweight and comfortable, no pressure on the nose. ?HD LENS & PROFESSIONAL?-Professional and accurate degree configuration with HD lenses: mens blue light blocking reading glasses 1.0, 1.25, 1.5, 1.75, 2.0, 2.25, 2.50, 2.75, 3.00, 3.50, good transmittance, clear with undistorted colors, no more blurred vision. ?ANTI-BLUE LIGHT & 100% UV400 EYE PROTECTION?-Blue light readers, resist 97% harmful blue light, reduce the visual fatigue, glare and discomfort from the mobile phone, tablets, computer and working. Effectively block 100% of UVB and UVA rays, protecting eyes against long- term UV damage and keeping eyes healthy.