1. Small round hole head is for the alar groove
2. The elliptical hole head is for the eye area
3. Bigger round hole head for T-zone
4. Blue LED light therapy shrinks pores and reduce acne
5. Water mist helps to reduce the burder of skin and good for shrink pores
6. 3 intensity modes indicator-L/M/H speed technology allows the device to adapt to different cleansing needs