Experience the cutting-edge technology of K-ION NANO 6 Glasses. Designed with ultra-light TR90 material and advanced TAC anti-blue light lenses, these glasses provide superior protection against blue light, radiation, and UV rays. Whether you're at work or play, you can rely on K-ION NANO to keep your eyes safe and comfortable. With a sleek and stylish design, they make the perfect accessory for any fashion-forward individual. Plus, with a weight of only 19.5g, you'll forget you're even wearing them! Order now and receive a free gift package including a box, cloth, and case.