Facial massager 5 in 1 beauty equipment high frequency facial machine ultrasonic eye fatigue remover

Hi, I'm curious about this product. Does it use microcurrent or iontophoresis technology. Also, what is the metal head part made of? Metal or stainless steel?
Type:Multi-Function Beauty Equipment
Application:For Commercial & Home Use
Function:Skin rejuvenate, absorb cosmetic nutrition, remove wrinkle
Feature:Portable, multifunction
Brand Name:OEM
Certificate:CE/FCC
Warranty:One Year
Power supply:Bulit in 600mAh lithium battery
Product name:Multifunction Beauty Machine
Color:White
Certification:CE
Feature:Pore Shrinking
Feature:Skin Tightening
Feature:Skin Rejuvenation
Feature:Dark Circles
Feature:Wrinkle Remover
Material:ABS & Stainless Steel
Plugs Type:USB
Waterproof:Yes
Warranty:1 Year
Place of Origin:CN;GUA
Brand Name:OEM