13MHz radio frequency energy activates collagen regeneration and penetrates deep into the dermis to warm up. 2Promote skin barrier repair, improve elasticity and luster, and restore youthful vitality. 3TENS super frequency conversion technology massages every inch of skin to improve the elasticity. 4Ergonomic design fits the skin surface, one key start, simple button, easy to operate. 5Red and blue phontotherapy light promote circulation, dilute color spots, brighten skin color.