1. Important Safety Information
Please read all instructions carefully before using the COMFIER Shiatsu Foot and Back Massager. Failure to follow these instructions may result in injury or damage to the device.
- Always unplug the massager when not in use.
- Do not use the massager if the power cord is damaged.
- Keep the massager dry to prevent electrical shock.
- Do not use the massager if you have a pacemaker or other medical device that could be affected by electromagnetic interference. Consult your physician before use if you have such devices.
- Do not use the massager if you have a blood clot, deep vein thrombosis, or other serious health condition. Consult your physician before use if you have such conditions.
- Always follow the instructions provided with the massager for proper use and maintenance.
- This device is not intended to diagnose, treat, cure, or prevent any disease or health condition.
2. Product Overview
The COMFIER Shiatsu Foot and Back Massager (Model CF-5903-US) is designed to provide a versatile massage experience with optional heat. It features flexible shiatsu massage nodes suitable for various body parts, including feet, back, lumbar, thighs, and legs.

Image 2.1: Top view of the COMFIER Shiatsu Foot and Back Massager, showing the six rotating massage nodes with red heat lights.

Image 2.2: Demonstrates the versatile design of the massager, usable for both feet and as a back massage cushion.
3. Setup and Assembly
The COMFIER massager requires minimal setup. Ensure the device is placed on a flat, stable surface before use.
- Unpack: Carefully remove the massager and all accessories from the packaging.
- Power Connection: Connect the power adapter to the massager's power input port, then plug the adapter into a suitable electrical outlet.
- Adjust Height (Optional): The massager includes two anti-sliding pads. These can be attached to the bottom of the unit to adjust its height for optimal comfort during foot massage.

Image 3.1: Close-up view showing the optional anti-sliding pads that can be used to adjust the height of the massager.

Image 3.2: The product packaging, showing the massager, power adapter, and instruction manual.
4. Operating Instructions
The massager features intuitive controls designed for ease of use, including toe-touch operation.
4.1. Basic Operation
- Placement: For foot massage, place your feet on the massager. For back, lumbar, thigh, or leg massage, position the massager against the desired area.
- Power On: Press the power button (usually indicated by a universal power symbol) to turn on the massager. The device will typically start in an automatic massage mode.
- Select Mode: Use the control buttons to cycle through available massage modes (e.g., shiatsu rotation clockwise, shiatsu rotation counter-clockwise).
- Adjust Intensity: If available, use the intensity control button to select your preferred massage intensity level.
- Activate Heat: Press the heat button (often indicated by a flame or wavy lines symbol) to activate the soothing heat function. You can typically select between two heating levels. The heat function can be used independently of the massage.
- Power Off: Press the power button again to turn off the massager. The device has an automatic shut-off feature after 15 minutes for safety.
4.2. Toe Press Control
The massager is designed for convenient toe-press operation, eliminating the need to bend over.

Image 4.1: Illustration of the toe-press control sequence: Press once to turn on and activate auto mode (yellow light), press again to change to shiatsu clockwise mode (green light), press a third time to change to shiatsu counter-clockwise mode (red light).
- Power On / Auto Mode: Press the power button with your toe to turn on the massager. It will activate the auto mode (indicated by a yellow light).
- Shiatsu Clockwise Mode: Press the power button again to switch to shiatsu rotation clockwise mode (indicated by a green light).
- Shiatsu Counter-Clockwise Mode: Press the power button a third time to switch to shiatsu rotation counter-clockwise mode (indicated by a red light).
- Power Off: Press the power button a fourth time to turn off the massager.

Image 4.2: A man using the COMFIER massager as a back support with soothing heat while working at a desk.
5. Maintenance and Care
Proper maintenance ensures the longevity and hygiene of your massager.
5.1. Cleaning the Massager
- Unplug: Always unplug the massager from the power outlet before cleaning.
- Wipe Down: Use a soft, slightly damp cloth to wipe the surface of the massager. Do not use abrasive cleaners or immerse the unit in water.
5.2. Washable Cover
The massager includes a removable and washable cover to maintain hygiene and comfort.

Image 5.1: Illustration showing the benefits of the detachable dust cover: enhanced comfort, protection against dust, and ease of cleaning.
- Removal: Gently remove the fabric cover from the massager.
- Washing: Hand wash the cover with mild detergent and cold water, or machine wash on a gentle cycle.
- Drying: Air dry the cover completely before reattaching it to the massager. Do not tumble dry or iron.
- Reattachment: Ensure the cover is properly fitted over the massage nodes before use.
6. Troubleshooting
If you encounter any issues with your COMFIER massager, please refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Massager does not turn on. |
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| Heat function is not working. |
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| Massage nodes are not rotating. |
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| Massager stops unexpectedly. |
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If the problem persists after attempting these solutions, please contact COMFIER customer support for further assistance.
7. Specifications
- Model Number: CF-5903-US
- Product Dimensions: 13.58 x 4.02 x 14.96 inches
- Weight: 5.3 Pounds
- Power Source: Corded Electric
- Material: Plastic
- Color: Black
- Manufacturer: Comfier
- Features: Shiatsu Kneading Massage, Heat Function (2 levels), Flexible Massage Nodes, Washable Cover, Toe Press Control, 15-minute Auto Shut-off.

Image 7.1: Diagram illustrating the dimensions of the COMFIER Shiatsu Foot and Back Massager.
8. Warranty and Support
Specific warranty details are not provided within this manual. For information regarding product warranty, returns, or customer support, please refer to your purchase documentation or contact COMFIER customer service directly.
Contact Information: Please visit the official COMFIER website or refer to the contact details provided with your product packaging for customer support.
Note: A 30-day money-back return policy is mentioned in product descriptions, but this is separate from a manufacturer's warranty.





