1. Introduction
The FORTHiQ RED+ Knee Massager is designed to provide targeted comfort and relaxation through a combination of heat, vibration, and red light therapy. This manual provides essential information for the safe and effective use of your device on various body parts, including knees, elbows, and shoulders.
2. Safety Information
- Always read the instructions before use.
- Keep the device away from water.
- Do not use on broken skin or injured areas.
- Consult a doctor before use if you have any medical conditions.
- Keep batteries away from heat and moisture.
- Do not expose the device to extreme temperatures.
Statements regarding dietary supplements have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease or health condition.
3. Product Features
- Complete Joint Care: Delivers soothing warmth, vibration, and light for relaxation and comfort.
- Advanced Red Light Coverage: Features 52 dual-wavelength red and near-infrared LEDs (660nm & 850nm) for broad and even exposure.
- Adjustable Settings: Customize your session with four red light pulsing frequencies, five heat levels, and three vibration levels.
- Cordless and Smart: Built-in rechargeable battery allows for free movement. Intuitive display and memory function save your last settings.
- Versatile Fit: Adjustable straps and ergonomic design ensure a secure, comfortable fit on knees, elbows, and shoulders.
4. What's Included
Your FORTHiQ RED+ Knee Massager package includes the following items:
- RED+ Knee Brace
- Adapting Strap
- Carrying Bag
- User Manual & Brochure
- Type-C Cable

Image: Contents of the FORTHiQ RED+ Knee Massager package, showing the main brace unit, an additional adapting strap, a soft carrying bag, the user manual, and a USB Type-C charging cable.
5. Setup
- Initial Charge: Charge the device for 2 hours before first use. For subsequent uses, charge for 2 hours after every 2 hours of operation.
- Attach the Brace: Select the appropriate body part (knee, elbow, or shoulder). Place the massager with the mesh surface facing your skin. Secure the upper and lower straps around the joint by passing them through the metal rings and fastening them with the Velcro. Use the adapting strap for larger areas like the shoulder if needed.

Image: A close-up view of the FORTHiQ RED+ Knee Massager correctly positioned and secured on a person's knee, with the control panel visible.
6. Operating Instructions
The device features an intuitive control panel to manage its functions:
- Power On/Off: Press and hold the power button (located on the side of the control panel) to turn the device ON or OFF. The display will light up upon activation.
- Adjust Heat Level: Short press the flame icon button to cycle through 5 heat intensity levels (L0-L5). L0 indicates no heating, while L5 is the highest heat setting (140°F / 60°C).
- Adjust Red Light Mode: Short press the 'M' button to select from 4 red light modes (M0-M3). M0 is constant light, M1 is 2Hz blinking, M2 is 100Hz pulsing, and M3 is 3000Hz pulsing.
- Adjust Vibration Level: Short press the wavy lines icon button to adjust the vibration level (0-3). 0 indicates no vibration.
- Set Timer: Short press the clock icon button to select a session duration of 10, 20, or 30 minutes. The device will automatically turn off when the selected time ends.
- Memory Function: Short press the head icon button to activate or deactivate the memory function. When active, the device will remember your last settings for light intensity, vibration level, and red light mode.

Image: A detailed view of the FORTHiQ RED+ control panel, highlighting the various buttons and their corresponding functions for customizing therapy settings.
7. Application Areas
The FORTHiQ RED+ Knee Massager is designed for versatile use on multiple joints:
- Knees: Secure the brace directly over the kneecap, ensuring the mesh surface with LEDs is in contact with the skin.
- Elbows: Wrap the device around your elbow, adjusting straps for a snug fit.
- Shoulders: Use the provided adapting strap to comfortably secure the massager around your shoulder.

Image: The FORTHiQ RED+ Knee Massager is shown being used on a shoulder, demonstrating its adaptability with the included extension strap.

Image: The massager is shown fitted around an elbow, illustrating its flexible design for use on various joints.
8. Charging
The device is equipped with a built-in rechargeable battery. Connect the provided Type-C cable to the charging port on the device and to a suitable USB power source. The power indicator light will show charging status. The device can be used while charging, providing continuous therapy even if the battery is low.
9. Maintenance
- Cleaning: Wipe the device with a soft, damp cloth. Do not use abrasive cleaners or immerse the device in water.
- Storage: Store the device in its carrying bag in a cool, dry place away from direct sunlight and extreme temperatures.
- Battery Care: To prolong battery life, avoid fully discharging the battery frequently. Charge regularly, even if not in use for extended periods.
10. Troubleshooting
- Device Not Turning On: Ensure the device is fully charged. Press and hold the power button for a few seconds.
- No Heat/Light/Vibration: Check if the desired settings (L1-L5 for heat, M0-M3 for light, 1-3 for vibration) are selected on the control panel. Ensure the device is not in L0 (no heating) or vibration level 0.
- Short Battery Life: Ensure the device is charged for the recommended duration. Battery performance may decrease over time with prolonged use.
11. Specifications
| Feature | Detail |
|---|---|
| Package Dimensions | 8.46 x 5.75 x 5.71 inches |
| Item Weight | 1.2 Pounds |
| Item Model Number | B0FR1DQ4WH |
| Batteries | 2 Lithium Ion batteries (included) |
| Power Source | Battery Powered |
| Material | Electronics |
| Use For | Elbow, Knee, Shoulder |
12. Warranty & Support
The FORTHiQ RED+ Knee Massager typically comes with a 1-year warranty. Please refer to the warranty card included in your package for specific terms and conditions. For product support, please contact FORTHiQ customer service through their official channels.
13. Product Videos
Below are some helpful videos demonstrating the use and features of the FORTHiQ RED+ Knee Massager. Please note that these videos are provided by third-party reviewers and not directly by the seller.
Video: A reviewer demonstrates the FORTHiQ RED+ Knee Massager, highlighting its comforting heat and red light features as a brace.
Video: A reviewer shares their positive experience with the FORTHiQ RED+ Knee Massager, emphasizing its soothing effects.
Video: An honest review of the FORTHiQ RED+ Knee Massager, discussing its features and benefits.
Video: A reviewer provides information users should know before purchasing the FORTHiQ RED+ Knee Massager.
Video: A review highlighting the warm, gentle comfort provided by the FORTHiQ RED+ Knee Massager with red light.
Video: A comprehensive review of the FORTHiQ Knee Massager's features and performance.
Video: A reviewer discusses how the FORTHiQ RED+ provides red light relief for knees and elbows.
Video: A reviewer highlights the numerous options and ease of use of the FORTHiQ RED+ Knee Massager.
Video: A reviewer provides a detailed look at the Red Light Therapy Knee Massager.
Video: A reviewer conducts a 2-week test to evaluate the effectiveness of the red light therapy feature.