infrared ray

It also emits natural phytocide to keep air fresh, and keep people's mind clear, and emit the far infrared ray to improve the blood circulation to relieve the fatigue.

同时其释放远红外线能体血液循环，消除疲劳。

In the meantime, absorb many infrared ray, the eye ground that the direct illuminate place of orthoptic sun or intense arc light causes is injured, if common solar sex retina is choroid burnable.

同时，吸收大量红外线，直太阳或强烈弧光直接照射所造成眼底损伤，如日光性网膜脉络膜灼伤。