Warning: Connect the mask fthen connect the power supply. Can't reverse order, otherwise the consequences will be conceited How to use: Step 1: Insert the USB connector into the end of the LED mask wire. Raiuleko Step 2: Clean your face and wait until it is dry. Use serum or skin care products. This will make it easier for light to penetrate your skin. Step3: Put on the mask. Make sure you are comfortable to wear. Step4: Open the mask and you will see the red tint on the entire mask. Note: The light is at low intensity. If you feel a little uncomfortable, you may close your eyes. Step 5: Keep your LED mask close to your facial skin. You can also change the different colors using the remote control. Product description: Type: Photodynamic led facial beauty mask, led flash mask Raiuleko Wrinkle skin machine, facial massager Voltage: 110v-240v, 60Hz / 50Hz Plug: EU, US plug Product weight: 1.1kg (without box) Number of LEDs: 192 LEDs Light color: 7 colors Output power: 20W (maximum) Suitable for the crowd: Irregular diet, staying up late, sitting in front of a computer, often using a mobile phone Raiuleko For the skin: spots, freckles, acne, dull, dark yellow, large pores, rough, loose skin Tips: 1, the product is used 2-3 times a week, each time no more than 30 minutes. Do not use sensitive skin for more than 20 minutes. 2.led mask is suitable for all skin types, both men and women can use. 3. The mask itself has an eye mask, which has the function of protecting the eyes, and the user does not have to worry. Prohibition of use of people: Pregnant women, children, thyroid diseases, mild allergies, use of drugs can cause allergies.