Four in one ultrasound instrument: This beautiful beauty instrument combines the four functs of ultrasound massage (1m, 3m), imported photons and s, which can improve the structure of the skin, tighten the skin, smooth the pores and eliminate puffiness and dark circles. It can provide different effects such as blackhead and acne removal, anti-aging and anti-wrinkle, skin tightening and tone, deep cleansing and skin massage.Ultrasound: The device uses two ultrasonic probes of 1 meter per second and 3 mill times to generate high-frequency vibrats, penetrating the ultrasonic waves and acting on the human body to absorb the sound energy of heat. Skin cells promote skin blood circulat, promote metabolism, improve nutrient absorpt and defense abilities. The body activates cells and lives in the pelvis.Positive and Negative s: Positive s remove deep dirt, deeply cleanse the skin, smooth and firm the skin. Negative s direct the power of skin care products into the deeper layers of the skin to effectively absorb nutrients. The implantat and the water soluble beauty ingredients transmit a weak current and guide it through the skin layer by the force of sound and vibrat.Photo: Red light: It can reach the skin layer, stimulate physical cells, improve blood circulat, activate skin, reduce wrinkles and smooth skin. Green light: it can promote metabolism and microcirculat, dilute pigment and whiten. Blue light: It can kill bacteria, calm and fight rashes and acne, strengthen the organizat of protein fibers and shrink pores.How to use: Charge the device for 3 hours before using it for the first time, then cleanse your face and apply some essence if necessary. Please note that you can choose the suitable working intensity and LED chromotherapy. Gently repeat circular mots on the skin, pulling up and down, no more than 3 seconds for a single point, it is slightly warm when using it.