bout this item □ USB charging, easy, safe and convenient to use □ ABS material is environmental, safe, non-toxic and harmless to skin □ Comes with 4 changeable beauty heads, which can offer different functions and offer deeper cleansing for your facial skin □ It can be used to remove blackhead, acne and clean face deeply, and is suitable for treating dry skin, sagging skin, dull skin and even wrinkles, increasing blood circulation in the skin and keeping young Your arrival is my honor, thank you for your trust and support, and I wish you a happy life.