With 3 massage lights: blue light: the coldest light, can promote protein and collagen synthesis, which is good for oily skin and sensitive skin. Green light: can improve the cell oxygen alternating utilization function, promote skin surface microcirculation, and dredge lymphatic and edema. Red light: can increase cell viability, accelerate blood circulation and promote the growth of fibroblasts and collagen. EASY TO USE - Apply some skin care products on neck and face. Use the massage head near the neck, lift from the bottom several times. Then fit the face skin and lift. Package Content: 1 x Main Machine, 1 x USB Cable Again adopted the bionic design concepts, it looks novel and classic. Suitable for massaging shoulders, neck and other parts of the body. We are all here in 24 hours for your service, if any question, please contact us directly.