Application: Thoroughly cleanse your face, then apply a damp towel or cleanser on your face for 5-10 minutes, which will completely open the blackhead extract solution and open the pores completely. Do not use it on the same area of ​​skin for more than 5 seconds. It has to keep moving up and down. 3. We recommend that you cleanse your face with cold water after use to close the pores and leave a cool feeling. 4. Please adjust the suction pressure to your skin type. 5. It is normal for your face to appear reddish and tender after use and for the redness to go away after about 30 minutes. Specification: Item Type: Blackhead Removal Device Color: Black Gearbox: 5 Battery type: lithium battery Battery capacity: 1000mAh (Delivery with built-in battery) Power supply: USB charging Charging time: approx. 3 hours Service time: approx. 3-9 hours Operation steps: 1. Press the power button for 2 seconds to start the device and press the power button (power button) to switch to the 1-2-3-4-4-5-4-2 suction level. toggle -3-1. Press the Power button for 2 seconds to turn it off during use. 2. LED screen shows battery capacity and suction strength. 3. During the charging process, the battery capacity indicator flashes until the device is fully charged. 4. When the battery is fully charged, the battery level indicator shows four illuminated grids. One grid corresponds to 25 percent of the total capacity, the light grid is reduced accordingly. Package list: 1 x host 1 x USB cable 3 x suction heads 6 x plastic rings 11 x sponge