Which is better, Opmig II or Op Yao Yuan?

Opmig II。 All right. Scientific research shows that the reading and learning effect of human eyes is the best at the color temperature of 4000K, and the color temperature of lamps is also explained in the national standard. According to the official display, the color temperature of Opmig II is 4000K, so it is especially suitable for reading. It is AAA-level desk lamp in the quality grade of health lighting products. Those who pursue health and eye protection can consider starting with this high-quality desk lamp.