. Ensure the device is fully charged before first use. 2. Cleanse and dry your face thoroughly before each treatment. For best results, apply your preferred skincare serum before wearing the mask, if desired. 3. Adjust the elastic head straps to ensure the mask fits comfortably and securely over your face. 4. Press and hold the Power Button for 3 seconds to switch the device on. The device will enter standby mode. 5. Press the Power Button briefly to cycle through the available LED light modes and select the mode that best suits your skincare routine. 6. Wear the mask and relax during the treatment. Keep your eyes closed throughout the session and avoid looking directly at the LED lights. 7. Use the mask for approximately 10–15 minutes per session. For best results, use the device 3–5 times per week as part of your regular skincare routine. 8. Press and hold the Power Button for 3 seconds to switch the device off after use. 9. Remove the mask and wipe it clean with a soft, slightly damp cloth. Do not immerse the device in water or use abrasive cleaners. 10. Allow the mask to dry completely before storing it in a cool, dry place away from direct sunlight and excessive heat. Avoid excessive bending or folding during storage.