... three internationally recognized skin care technology: ion, power light, ultrasonic and collection in a portable small fine instrument, use it ... : High energy,fully focused, to experience the perfect feel for different skin types, Red 12pcs LED:630nm ; Green 12pcs ... b. Blue Light: Wavelength 465±3nm 12 LED. Diminish inflammation,kill bacterium and propionibacterium acnes, remove acne and scars etc. c ...