USUIE 4 in 1 Facial Wand, Red Light Therapy for Face and Neck, Facial Tools - Pink4 in 1 Skincare Tools for Face : Combines red light therapy, facial massage, therapeutic warmth, and negative ion introduction into one, which speeds up at least twice the absorption of skin care products, Reduce your wrinkles, Renew your skin. 630nm red light therapy : Red light can promote facial microcirculation and blood circulation, provide ATP to tired muscles, promote water absorption, make muscles Q bounce, and remove eye bags, dark circles