Details: Function: Blackhead meter Working method: ultrasonic vibration color: White Working voltage: 3.7V Rated power: 2.2W Battery capacity: 500MAH Usage method The first step Apply hot towel or export solution to the part to be absorbed, Keep for 5-10 minutes, open pores and soften blackheads. Step two According to the need to choose different suction head, rotary installation on the instrument. The third step After sucking on the skin, move quickly and do not stay for more than two seconds. Step four After skin care, wash your face with cold water, apply the cotton wool to the nose or apply the mask.