InvoSpa JC-668
InvoSpa Shiatsu Neck and Back Massager with Heat - User Manual
Model: JC-668
Introduction
Thank you for choosing the InvoSpa Shiatsu Neck and Back Massager with Heat. This versatile electric massager is designed to provide deep tissue relief to various parts of your body, including your neck, shoulders, upper back, lower back, waist, feet, thighs, calves, legs, and arms. Featuring 8 massage roller balls, adjustable intensity, bi-directional movement, and an optional heat function, this massager offers a customizable and soothing experience. Please read this manual carefully before use to ensure safe and effective operation.

Image: A woman relaxing while using the InvoSpa Shiatsu Neck and Back Massager around her neck and shoulders.
Safety Information
For your safety and to ensure the longevity of your massager, please adhere to the following guidelines:
- Avoid prolonged use to prevent burns.
- Keep the massager away from water to prevent electrical hazards.
- Do not use if you have any medical conditions that may be affected by heat or massage. Consult a physician if you have concerns.
- Always unplug the massager when not in use.
- Keep the cord away from heat sources and do not pull on the cord to unplug it.
Product Components
Your InvoSpa Shiatsu Neck and Back Massager package includes the following items:

Image: The InvoSpa Shiatsu Kneading Massager, Wall AC Adapter, Car Adapter, and User Manual.
- Shiatsu Kneading Massager
- Wall AC Adapter
- Car Adapter
- User Manual
Setup
The InvoSpa massager is designed for easy setup and immediate use. It operates via a corded electric power source.
Connecting to Power:
- For Home/Office Use: Connect the massager to the provided Wall AC Adapter, then plug the adapter into a standard electrical outlet.
- For Car Use: Connect the massager to the provided Car Adapter, then plug the adapter into your vehicle's 12V power outlet (cigarette lighter socket).

Image: A man comfortably using the InvoSpa massager while seated in a car, demonstrating its portability.
Operating Instructions
The InvoSpa massager features intuitive controls for a personalized massage experience.

Image: A detailed view of the control panel on the massager, showing buttons for Power, Direction, Intensity, and Heat.
Control Buttons:
- Power Switch: Press to turn the massager On or Off.
- Direction Button: Toggles the massage direction between clockwise and counter-clockwise. The massager also auto-reverses each minute for even distribution.
- Intensity Button: Adjusts the massage strength through 3 speed levels (Low, Medium, High).
- Heater Button: Activates or deactivates the optional heat function.
Massage Application:
Position the massager on the desired body area. Use the arm straps to apply gentle pressure and adjust the intensity of the massage. The 8 massage roller balls provide deep tissue kneading.

Image: An illustration highlighting the bi-directional movement and the eight massage roller balls within the massager, designed for deep tissue massage.

Image: A diagram illustrating the versatility of the massager for full body use, including the neck, lower back, feet, thighs, and arms.
Maintenance
Proper care will extend the life of your InvoSpa massager.
- Cleaning: Unplug the massager before cleaning. Wipe the surface with a soft, damp cloth. Do not use abrasive cleaners or immerse the unit in water.
- Storage: Store the massager in a cool, dry place away from direct sunlight and extreme temperatures. Avoid placing heavy objects on top of the massager.
Troubleshooting
If you encounter any issues with your massager, please refer to the following common solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Massager does not turn on. | Not properly plugged in; Power outlet issue. | Ensure the power adapter is securely connected to both the massager and a working electrical outlet. Try a different outlet. |
| Heat function is not working. | Heat function not activated; Overheating protection. | Press the Heater Button to activate. If the unit has been running for a long time, it may have activated overheating protection. Allow it to cool down before restarting. |
| Massage feels too weak or too strong. | Intensity setting; Applied pressure. | Adjust the intensity using the Intensity Button. Modify the amount of pressure applied via the arm straps. |
Specifications
| Feature | Detail |
|---|---|
| Brand | InvoSpa |
| Model Number | JC-668 |
| Product Dimensions | 10 x 7 x 14 inches |
| Item Weight | 2.96 Pounds (approx. 3 Pounds) |
| Power Source | Corded Electric |
| Material | Acrylonitrile Butadiene Styrene |
| Massage Nodes | 8 (4 Big, 4 Small) |
| Intensity Levels | 3 Speed Strength Levels |
| Massage Directions | Bi-directional (auto-reverse each minute) |
| Heat Function | Optional |
Warranty Information
Specific warranty details for the InvoSpa Shiatsu Neck and Back Massager are not provided in this manual. Please refer to the product packaging or contact InvoSpa customer support for comprehensive warranty information.
Customer Support
For any questions, concerns, or assistance with your InvoSpa Shiatsu Neck and Back Massager, please contact InvoSpa customer support through their official website or the contact information provided on your product packaging.
You can also visit the official InvoSpa Store on Amazon for more information and products: InvoSpa Amazon Store
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