?1 YEAR MONEY-BACK GUARANTEE?-All JJWELL customers enjoy the high-quality 24-hour after-sales service and 1 YEAR Money-Back Guarantee. Any problems pls contact us without hesitation. ?WIDE COMPATIBILITY?-Readers men with a spring hinge frame and silicone nose pads, it can adapt to most face and nose shapes, durable for long-term use. Fashion rectangular rimless 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. ?HIGH DEFINITION LENS & PROFESSIONAL?-Professional and accurate degree configuration with clear high definition 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, 3.25, 3.50, 3.75, 4.00, 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.