4 in 1 function 

Ultrasonic function: 
Mainly used to promote facial collagen, regeneration, restore skin elasticity: well dilute the lines and improve the facial contours. 

RF radio frequency function: 
Promote the decomposition of subcutaneous fat, open pores quickly which is conducive to skin cleansing; 

EMS function: 
Facial skin massage in multiple modes to strengthen and firm skin. 

Pulse: 
Micro-heat opens pores and promotes circulation deep in the skin (more active collagen and improves skin elasticity)