K-ION NANO PREMIUM 5

K-ION NANO PREMIUM 5 is the company's most sold, most cost-effective and most popular pair of glasses. K-ION NANO PREMIUM 5 not only has the effect of blocking blue light and UV rays, but also can release -O2. Anti-blue light can relieve eye fatigue, relax the mood, prevent myopia, astigmatism, etc. It has the strongest comprehensive functions. If you consider the cost-effectiveness, you can buy this one.

K-ION NANO PREMIUM 5