Instructions: 1. Press and hold the button for 3 seconds to turn on the machine, the indicator light will turn on after turning on the machine, and wait about 10 seconds (there will be a slight difference depending on the change of ambient temperature) The top machine speaker reminds when preheating is finished. 2 Cleanse skin, dab skin-friendly serum or apply mask sheet to face. 3. Open the top cover, press the switch, the working light is on, prompting the start of treatment, the blue light probe emits pure blue light, the head will be slightly warm, and the temperature will be maintained at 42 degrees after 1 minute. 4 Hold the conductive metal strip in your hand, and the blue light probe outputs a +-5V microcurrent BI0 at the same time. Please apply the blue light probe to the part that needs to be treated. While illuminating the light, operate according to the operation diagram. The method of operation is from inside out, slowly moving up and down in the direction of muscle and lymph. 5. After use, press and hold the button for 3 seconds to turn off, then use a clean cotton dipped in water or alcohol to disinfect, and cover the protective cover. 6. Massage every 8-12 hours for 2-3 days. Packing List: 1 * Acne Pen (package without battery) We only sell acne pen, not other items in the picture. Due to the differences between the different monitors, the pictures may not reflect the actual color of the item. Due to manual measurement, please allow slight errors in size. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store