luff 4pcs anti-blue-ray reading glasses portable ultra-light readers(2.0x) luff <p>- ergonomic design, good flexibility, reduced pressure on the nose and ears, comfortable to wear.<br> - light-resistant lens, high-definition vision, wear-resistant anti-fall.<br> - high-quality plates, polished and polished many times, golden and clear, warm and jade, cast high quality products.<br> - pc lenses have anti-blue light protection to protect your eyes from now on.</p> <p><b>product parameters:</b><br> material: resin + tr90<br> weight: 17g<br> frame type: half frame<br> applicable people: men<br> function: anti-blue light / relieve fatigue</p> <p><b>size:</b><br> frame width: 2.09in(53mm)<br> frame height: 1.34in(34mm)<br> nose bridge width: 0.59in(15mm)<br> total length of frame: 5.31in(135mm)<br> arm length: 5.51in(140mm)<br> weight: 17g</p> <p><b>the package includes:</b><br> 4 *anti-blue reading glasses<br> 4 * glasses case<br> 2 * high quality glasses cloth<br> 2* multi-function screwdriver</p> <p><b>-------about luff------- </b><br> we provide our customers with eyewear that have exceptional style combined with an affordable price . <br> our selection of sunglasses range from cutting-edge to classic timeless designs. in today's fast pace fashion trends , sunglasses from luff is a must ! <br> if you have any dissatisfaction with our products , please contact us. we will make every effort to ensure a good shopping experience for our customers .</p>