What is far infrared?

In the sunlight, infrared rays penetrate the skin and reach subcutaneous tissues.
● Far infrared (FIR) is a region in the spectrum with a wavelength of 15~1000µm . It is beyond the visible spectrum and invisible to the human eye.
● Far-infrared ray is also called "light of fertility." The far infrared wavelength 4μm ~ 14 μm resonates with molecules of our body, which has many benefits for the human body and can also be used in medical and health care.

 
Improves blood circulation 
Promotes metabolism
Helps fall asleep and maintain health