1. Introduction
Thank you for choosing the Generic Rejuvaknee Advanced Knee Relief Heated Massager. This device is designed to provide targeted heat therapy and massage to help relieve joint pain and stress in areas such as the knees, shoulders, and elbows. Please read this manual thoroughly before use to ensure safe and effective operation.
2. Safety Information
- Do not use this device if you have a pacemaker, heart condition, or any other medical implant without consulting a physician.
- Avoid using on broken skin, open wounds, or areas with swelling, inflammation, or skin eruptions.
- Do not use while sleeping or in situations where you cannot monitor the device.
- Keep out of reach of children.
- If you experience any discomfort or pain during use, discontinue immediately.
- 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 Overview & Features
The Rejuvaknee Advanced Knee Relief device combines heat and massage functions in an ergonomically designed brace. It features a magnetic attachment system for cordless use and is adaptable for various body parts.
Key Features:
- Multi-functional Design: Ergonomically designed to wrap comfortably around joints, suitable for knees, shoulders, and elbows. Includes a 23-inch extension strap for versatile use.
- Magnetic Support & Cordless Use: The massager unit attaches magnetically to the brace, allowing for wireless operation.
- Adjustable Settings: Offers 3 distinct massage modes and 5 temperature options for personalized comfort and relief.
- Rapid Heating: Utilizes a high-quality carbon fiber heating wire that heats up in approximately 5 seconds, providing instant warmth.
- Optimized Heat Distribution: Features a widened heat zone and 3D surround design for comprehensive and concentrated heat delivery.
- Automatic Shut-off: Designed with a 20-minute working cycle, after which the device automatically powers down to prevent overheating or over-massage.

Image: The Rejuvaknee device providing 360-degree heat and massage for comprehensive knee care.

Image: Internal view highlighting 3D vibration, infrared heat, and multi-layer construction for effective knee massage.

Image: Demonstrating the versatility of the Rejuvaknee for various applications including muscle stiffness, joint swelling, and elbow relief.
4. Package Contents
Please check the package for the following items:
- Rejuvaknee Heated Massager Unit
- Adjustable Brace
- 23-inch Extension Strap
- USB Charging Cable (Inferred, not explicitly listed but necessary for cordless device)
- User Manual
5. Setup
5.1 Charging the Device
- Connect the USB charging cable to the charging port on the massager unit.
- Plug the other end of the cable into a compatible USB power adapter (not included) or a computer USB port.
- The indicator light on the massager unit will show charging status (e.g., blinking while charging, solid when fully charged).
- Ensure the device is fully charged before first use for optimal performance.
5.2 Attaching the Massager Unit to the Brace
- Identify the 5 magnetic suction points on the brace.
- Align the massager unit with these magnetic points on the brace.
- The unit will securely attach via magnetic adsorption.

Image: Demonstrating the magnetic attachment of the massager unit to the brace for cordless use.
5.3 Wearing the Brace
- Wrap the adjustable brace around the desired joint (knee, shoulder, elbow).
- Secure the strap to achieve a comfortable and snug fit.
- If needed, use the 23-inch extension strap for larger body types or areas.
6. Operating Instructions
The control panel on the massager unit allows for easy adjustment of settings.

Image: The control panel with clearly labeled buttons for power, mode selection, and temperature adjustment.
6.1 Power On/Off
- To power on, press and hold the Power button (⏻) for 2 seconds. The display will illuminate.
- To power off, press and hold the Power button (⏻) for 2 seconds.
6.2 Selecting Massage Mode
- After powering on, press the Mode button (M) to cycle through the 3 available massage modes.
- The current mode will be indicated on the display.
6.3 Adjusting Heating Temperature
- Press the '+' button to increase the heating temperature.
- Press the '-' button to decrease the heating temperature.
- There are 5 temperature options available. The selected temperature will be shown on the display.
6.4 Automatic Shut-off
The device is programmed to operate for 20 minutes per cycle. After 20 minutes, it will automatically shut down. You can restart the device for another cycle if desired.
7. Maintenance
7.1 Cleaning
- Ensure the device is powered off and disconnected from any power source before cleaning.
- Wipe the massager unit with a soft, slightly damp cloth. Do not immerse in water.
- The brace can be gently hand-washed with mild soap and air-dried. Do not machine wash or tumble dry.
- Do not use abrasive cleaners or solvents.
7.2 Storage
- Store the device in a cool, dry place away from direct sunlight and extreme temperatures.
- Keep the device and its accessories in their original packaging or a protective case to prevent damage.
8. Troubleshooting
Device Not Turning On:
- Ensure the device is fully charged.
- Confirm you are pressing and holding the Power button for 2 seconds.
No Heat or Massage Function:
- Check if the device is powered on and has sufficient battery.
- Verify that a massage mode and temperature level have been selected.
- Ensure the massager unit is securely attached to the brace via the magnetic points.
Device Shuts Off Prematurely:
- The device has an automatic 20-minute shut-off feature. This is normal operation.
- If it shuts off significantly before 20 minutes, ensure the battery is adequately charged.
9. Specifications
| Attribute | Detail |
|---|---|
| Model Number | REJUVAKNEE-66 |
| Brand | Generic |
| Color | Grey |
| Package Dimensions | 12.17 x 4.88 x 2.72 inches |
| Item Weight | 12.31 ounces |
| Manufacturer | GENERIC |
| ASIN | B0D7CJLF6M |
10. Customer Support
If you have any questions or encounter problems with your Rejuvaknee Advanced Knee Relief Heated Massager, please do not hesitate to contact us. We are committed to providing a satisfactory solution within 24 hours.
Contact Information: Please refer to your purchase platform or product packaging for specific contact details.





