1, promoting human metabolism: HarmonyOS System Cisco Optical Health Instrument promotes human metabolism, accelerates the excretion of toxins in the body and improves the overall state of the body by adjusting the light intensity and irradiation time inside the human body.

2, improve the quality of sleep: HarmonyOS system Cisco optical health care instrument can regulate the secretion of melatonin, help to improve the quality of sleep, relieve insomnia and other problems.