... . Logos can be printed,debossed,embossed Function of Far infrared ray1.Far infrared emissivity of germanium is 92.1%, its wavelength is ... optimal frequency and wavelength, people can absorb it. The far infrared ray can deeply go into our body absorbing toxic substances and ... can help the body detoxify and maintain vitality.2.Far infrared ray has resonance effect on our cells. Due to its thermal ...