1. Fully charge the controller (approximately 4 hours) before first use. 2. Perform a 10-minute skin sensitivity test on your arm before using the device for the first time. 3. Cleanse and thoroughly dry your face and neck before treatment. 4. Connect the Face Mask and/or Neck Mask to the controller. Both masks can be used independently or together. 5. Secure the masks using the adjustable fastening straps for a comfortable fit. 6. Press and hold the Power button for 2 seconds to switch the device on. 7. Short press the Mode button to select the desired LED light colour. 8. Adjust the brightness level and treatment time using the controller. 9. Use for 10–15 minutes per session, 3–5 times per week, or as part of your regular skincare routine. 10. Press and hold the Power button for 2 seconds to switch the device off after the treatment. 11. Remove the Face Mask and Neck Mask, then apply your preferred skincare products. 12. Clean the masks and controller with a soft, dry or slightly damp cloth after each use. Do not immerse in water. 13. Recharge the controller only when required and do not use the device while charging. 14. Store the Face Mask, Neck Mask, and controller in a cool, dry place away from direct sunlight and excessive heat.