1Far infrared heating and vibration hot compress massage, transport warmth to your waist, stomach, relieve body pain. 2The wormwood bag can be put into the waist belt and heated for use. 3Smokeless and no fire moxibustion, safety to use. 43 temperature adjustment, red light for 70, blue light for 63 and green light for 56. 5One switch for controlling front abdomen heating, and the other one for controling back waist heating, it is also possible to turn on 2 switches at the same time to control the heat before and after.