1. Introduction
Thank you for choosing the MEGELIN Upgrade LED Cap. This device is designed to support scalp health and hair vitality through advanced light therapy. It integrates both LED and VCSEL Laser technology to deliver specific wavelengths of light to the scalp.
This manual provides essential information for the safe and effective use of your MEGELIN Upgrade LED Cap. Please read it thoroughly before first use and retain it for future reference.
2. Safety Information
To ensure safe operation, please observe the following precautions:
- Eye Protection: Avoid direct eye exposure to the LED and laser lights. While the cap is designed for scalp application, prolonged direct viewing of the light source may cause discomfort.
- Water Exposure: This device is not water resistant. Do not immerse the cap in water or expose it to excessive moisture. Clean only with a dry or slightly damp cloth.
- Medical Conditions: Consult a healthcare professional before using this device if you are pregnant, have a history of skin conditions, or are taking photosensitive medications.
- Children: Keep out of reach of children. This device is intended for adult use.
- Damage: Do not use the device if it appears damaged or is not functioning correctly. Contact customer support for assistance.
- Charging: Use only the provided charging cable and a compatible power adapter.
3. Package Contents
Please check the package for the following items:
- 1 x MEGELIN Upgrade LED Cap
- 1 x Charging Cable (USB-C, assumed)
- 1 x User Manual
4. Product Features
The MEGELIN Upgrade LED Cap incorporates advanced light therapy technologies for comprehensive scalp care:
- 405 Integrated LEDs: A high density of light-emitting diodes for broad coverage.
- Multi-Wavelength LED Therapy: Includes 630nm, 810nm, and 850nm wavelengths to support scalp health and circulation.
- VCSEL Laser Technology: Features 660nm and 1064nm dual-wave VCSEL lasers designed for deeper follicle activation.
- Dual-Light System: Combines laser and LED for comprehensive scalp coverage and support.
- Comfortable Design: A lightweight and fitted cap made from polyester for comfortable wear.

Image: The MEGELIN Upgrade LED Cap, displaying its black exterior and the array of red LED lights on the interior lining.

Image: A user wearing the MEGELIN LED Cap, illustrating the product's intended use and the areas of the scalp it targets for light therapy.

Image: A user demonstrating the MEGELIN LED Cap, with text indicating the integration of VCSEL Laser technology for targeted follicle stimulation.

Image: A detailed diagram of the cap's internal light therapy pad, highlighting the distinct Laser and LED components and their respective wavelengths.
5. Setup
Follow these steps to prepare your MEGELIN Upgrade LED Cap for first use:
- Unpack: Carefully remove the LED Cap and all accessories from the packaging.
- Initial Charge: Before first use, fully charge the device. Connect the charging cable to the cap's charging port and plug the other end into a suitable USB power source (e.g., wall adapter, computer USB port). The indicator light will show charging status (e.g., red for charging, green for fully charged).
- Inspect: Visually inspect the cap for any signs of damage. If any damage is found, do not use the device and contact customer support.
6. Operating Instructions
Using your MEGELIN Upgrade LED Cap is straightforward:
- Wear the Cap: Place the cap comfortably on your head, ensuring the internal light panel is in contact with your scalp. The cap is designed to be fitted.
- Power On: Locate the power button (typically on the cap or an attached controller) and press it to turn on the device. The LEDs and lasers will illuminate.
- Session Duration: Follow the recommended session duration as specified by the manufacturer, typically 15-20 minutes per session. The device may have an automatic shut-off feature.
- Power Off: After your session, press the power button again to turn off the device.
- Frequency: For optimal results, use the cap regularly as recommended, usually 3-4 times per week.

Image: A user wearing the MEGELIN LED Cap, demonstrating comfortable and proper placement for a therapy session.

Image: A side view of a user wearing the MEGELIN LED Cap, showing the cap's profile and how it sits on the head during use.
7. Maintenance
Proper care will extend the life of your MEGELIN Upgrade LED Cap:
- Cleaning: Disconnect the cap from any power source before cleaning. Wipe the exterior of the cap with a soft, dry cloth. For the interior, use a slightly damp cloth and ensure it is completely dry before storage or next use. Do not use harsh chemicals or abrasive cleaners.
- Storage: Store the cap in a cool, dry place away from direct sunlight and extreme temperatures. Keep it in its original packaging or a protective case when not in use.
- Battery Care: To maintain battery health, avoid fully discharging the battery frequently. If storing for an extended period, charge the battery to approximately 50% every few months.
8. Troubleshooting
If you encounter issues with your MEGELIN Upgrade LED Cap, refer to the following common problems and solutions:
- Device Not Turning On:
- Ensure the device is fully charged. Connect it to the charger and wait for the charging indicator to confirm.
- Check the power button for proper engagement.
- LEDs/Lasers Not Illuminating:
- Verify the device is powered on and fully charged.
- If only some lights are off, contact customer support.
- Charging Issues:
- Ensure the charging cable is securely connected to both the cap and the power source.
- Try a different USB port or power adapter.
- Inspect the charging cable for damage.
If these steps do not resolve the issue, please contact MEGELIN customer support for further assistance.
9. Specifications
| Feature | Detail |
|---|---|
| Model | Upgrade LED Cap |
| Brand | MEGELIN |
| LED Count | 405 |
| LED Wavelengths | 630nm, 810nm, 850nm |
| Laser Wavelengths | 660nm, 1064nm (VCSEL Laser) |
| Color | Black |
| Material Type | Polyester |
| Closure Type | Pull-On |
| Fit Type | Fitted |
| Water Resistance Level | Not Water Resistant |
| Sun Protection | SPF 30+ (for the cap material) |
| Manufacturer | Megelin |
| ASIN | B0FXG5XTGK |
10. Warranty and Support
MEGELIN products are manufactured to high-quality standards. For information regarding warranty coverage, please refer to the warranty card included with your product or visit the official MEGELIN website.
For technical support, troubleshooting assistance, or to inquire about replacement parts, please contact MEGELIN customer service through the contact information provided on the official website or your purchase documentation.
Customer Service Contact: Please refer to your product packaging or the MEGELIN official website for the most current contact information.





