Product Overview
The SUPBAND Knee Massager is a versatile 4-in-1 device designed to provide comprehensive knee comfort. It integrates heat therapy, vibration massage, red light therapy, and 3D massage to help alleviate various knee discomforts. This cordless, portable, and rechargeable massager is suitable for use on the knee, shoulder, and elbow.

Image: Two SUPBAND Knee Massagers, highlighting their sleek design and user interface. The devices are shown ready for use, emphasizing their compact and ergonomic form factor.
Key Features:
- Heating Function: Offers 3 temperature levels (45β/115β, 50β/125β, 55β/130β) to relax muscles.
- Vibration Massage: Features 3 vibration modes (low, high, automatic switching) for joint relief.
- Red Light Therapy: Incorporates red light to support blood circulation.
- 3D Massage Module: Provides a multi-directional massage experience.
- User-Friendly Interface: Equipped with an LED touch screen display for easy operation.
- Timer Function: Automatic shut-off options at 15, 20, 25, or 30 minutes.
- Portability: Cordless, lightweight (1.65 lbs), and rechargeable via USB-C.
- Versatile Application: Can be used on knees, shoulders, and elbows.

Image: An illustrative diagram detailing the four core functions of the SUPBAND Knee Massager: adjustable heating, multiple vibration modes, red light therapy, and simulated 3D massage, all designed for comprehensive knee comfort.
Safety Information
Before using the SUPBAND Knee Massager, please read and understand the following safety guidelines to ensure safe and effective operation.
- The knee massager must be fully charged before its initial use.
- This product is a healthcare device and is not intended to diagnose, treat, cure, or prevent any specific disease or health condition.
- If you experience serious discomfort or have pre-existing medical conditions, consult a healthcare professional before using this device.
- Do not use the device on open wounds, swollen areas, or areas with skin irritation.
- Keep out of reach of children.
- Do not disassemble or modify the device.
- Avoid exposing the device to extreme temperatures or direct sunlight.
Setup and Charging
Follow these steps to prepare your SUPBAND Knee Massager for use.
- Initial Charge: Before first use, fully charge the device. Connect the provided USB-C charging cable to the massager's charging port and plug the other end into a compatible USB power adapter (not included) or a computer USB port.
- Charging Indicator: The LED display will indicate charging status. Ensure the device is fully charged before disconnecting.
- Remove Protective Film: For optimal display clarity, ensure any protective film on the LED control panel is removed before use.

Image: A detailed view of the USB-C charging port on the SUPBAND Knee Massager, illustrating where to connect the charging cable for power replenishment.
Operating Instructions
Learn how to effectively use your SUPBAND Knee Massager for optimal comfort.
- Wearing the Massager: Wrap the massager around your knee, shoulder, or elbow. Adjust the fastening straps to ensure a secure and comfortable fit. The tighter the strap, the better the effect of the massage.
- Power On/Off: Long press the power button on the LED touch screen display to turn the device on or off.
- Select Mode: Short press the "Mode" button to cycle through the available massage modes. The LED display will show the current mode.
- Adjust Heating Level: Press the "Heating" button to select from the 3 heating levels: Low (45β/115β), Medium (50β/125β), or High (55β/130β).
- Adjust Vibration Mode: Press the "Intensity" button to switch between the 3 vibration modes: low, high, and automatic switching.
- Set Timer: Use the "Time" button to set the automatic shut-off timer to 15, 20, 25, or 30 minutes. The device will automatically stop after the selected duration.
- Red Light Activation: The red light therapy function operates in conjunction with other modes.

Image: A detailed view of the intuitive LED touch screen control panel on the SUPBAND Knee Massager, illustrating the various buttons for adjusting time, heating levels, massage modes, intensity, and red light therapy.

Image: An exploded diagram of the SUPBAND Knee Massager, clearly labeling its key components such as the touch screen, red light array, vibration pads, and charging port, providing a comprehensive understanding of its structure.
Proper Posture for Use:
For optimal massage effect, ensure proper positioning of the device on your body part.
- When using on the knee, avoid keeping the leg completely straight (90-degree angle or less is ideal for full contact).
- Ensure the device is snugly fitted with the straps for maximum contact and effectiveness of the massage and heat.

Image: Visual guidance on achieving the proper posture for using the SUPBAND Knee Massager, demonstrating how a slightly bent knee allows for optimal contact and effectiveness of the device's features.
Maintenance and Care
Proper maintenance ensures the longevity and optimal performance of your massager.
- Cleaning: Wipe the device with a soft, damp cloth. Do not use abrasive cleaners or immerse the device in water.
- Storage: Store the massager 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 the device regularly, even if not in frequent use.
Troubleshooting
If you encounter any issues with your SUPBAND Knee Massager, refer to the following common problems and solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not turn on. | Low battery or not charged. | Ensure the device is fully charged using the USB-C cable. Long press the power button to turn on. |
| Heat function is not working. | Heat setting is too low or not activated. | Press the "Heating" button to cycle through the 3 heat levels. Ensure the device is properly positioned. |
| Vibration is weak or absent. | Vibration mode is off or set to low intensity. | Press the "Intensity" button to select a higher vibration mode. Ensure the device is snugly fitted. |
| Device turns off unexpectedly. | Timer function activated or low battery. | Check the timer setting. Recharge the device if the battery is low. |
If the problem persists after trying these solutions, please contact SUPBAND customer support for assistance.
Specifications
| Feature | Detail |
|---|---|
| Model Number | HY-991 |
| Product Dimensions | 11.2 x 10 x 8 inches |
| Item Weight | 3.34 Pounds (approx. 1.5 kg) |
| Battery | 1 Lithium Ion battery (2600mAh capacity) |
| Power Source | Battery Powered (USB-C rechargeable) |
| Material | Acrylonitrile Butadiene Styrene (ABS) |
| Heating Levels | 3 levels: 45β/115β, 50β/125β, 55β/130β |
| Vibration Modes | 3 modes: Low, High, Automatic Switching |
| Timer Settings | 15, 20, 25, 30 minutes |
| Applicable Body Parts | Knee, Shoulder, Elbow |
Warranty and Support
SUPBAND offers a warranty and customer support for your product.
- Warranty: This product comes with a 90-day warranty from the date of purchase.
- Customer Support: If you have any questions, concerns, or require assistance with your SUPBAND Knee Massager, please contact our customer support team. We aim to resolve inquiries within 48 hours.
- For contact information, please refer to the packaging or the official SUPBAND website.
Important Legal Disclaimer
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.