1Suitable for injection of various exogenous and endogenous liquids. 25, 9 needle injection technology, improve the efficiency of injection and increase the speed of treatment, injection depth, dose, speed and adsorption strength can be adjusted. 3The precise software operating system ensures the injection depth (skin level) and dose. 4Multi-function: whitening, tender skin, wrinkle removal, freckle removal, firmming, shrink pores, improve pigmentation, promote skin regeneration ability, anti-aging, anti-acne. 5The use of voice control negative pressure technology, can accurately in the dermis 1.28mm depth of the skin to supplement the required nutrients, It works by lifting the skin slightly with an acoustic press before the microneedles enter, allowing the needle to enter at the right depth to inject nutrients (such as hyaluronic acid and collagen) after the skin has been kept firm, will not bring nutrient loss.