1. Introduction and Overview
Thank you for choosing the COMFIER Shiatsu Foot Massager. This device is designed to provide a comprehensive foot massage experience, incorporating shiatsu, rolling, heat, compression, and vibration functions to help alleviate discomfort from conditions such as plantar fasciitis and neuropathy pain. Please read this manual thoroughly before use to ensure proper operation and maintenance.

Figure 1.1: The COMFIER Shiatsu Foot Massager, showcasing its compact design and integrated control panel.
2. Safety Information
To ensure safe operation and prevent injury or damage, please adhere to the following safety guidelines:
- Electrical Safety: Do not use the massager while bathing or in wet environments. Keep the device away from water and liquids. Ensure the power source is compatible with 100-240V outlets. Always unplug the device when not in use or before cleaning.
- Medical Conditions: Consult a doctor before using this massager if you are pregnant, have a pacemaker, suffer from severe health conditions, or have any concerns about using massage devices.
- Proper Use: Do not stand on the massager. Use only as directed in this manual. Avoid prolonged use on one area to prevent overheating or discomfort. If you experience any pain or discomfort, discontinue use immediately.
- Children and Pets: Keep the device out of reach of children and pets. This is not a toy.
- Maintenance: Do not attempt to disassemble or repair the unit yourself. Refer all servicing to qualified personnel.
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.
3. Setup
Setting up your COMFIER Foot Massager is quick and easy:
- Unpack: Carefully remove the foot massager from its packaging.
- Placement: Place the massager on a flat, stable surface, such as the floor in front of a chair or sofa. Ensure there is enough space around the unit for proper ventilation.
- Power Connection: Plug the power adapter into the designated port on the massager, then plug the other end into a standard 100-240V electrical outlet.
- Positioning: Sit comfortably and place your feet into the foot inserts. The massager is designed to accommodate foot sizes up to US Men's 13.

Figure 3.1: The foot massager's dimensions and capacity, suitable for various foot sizes up to US 13.
4. Operating Instructions
The COMFIER Foot Massager offers multiple settings for a personalized massage experience. The control panel is located on the top of the unit for easy access.

Figure 4.1: The massager provides deep kneading, rolling, and vibration massage for comprehensive foot relief.
Control Panel Functions:
- Power Button: Press to turn the unit ON/OFF.
- Shiatsu/Rolling Massage: This function provides deep-kneading and rolling massage, imitating professional masseur techniques. It targets the soles of your feet. Adjust intensity with Low, Medium, and High settings.
- Heat Function: The massager heats up quickly, reaching temperatures up to 131°F (55°C). It features two heat levels (113°F/45°C and 131°F/55°C) and can be used independently. This is ideal for warming cold feet and promoting relaxation.
- Compression Massage: Provides compression on the instep, heel, and ankles with 3 adjustable levels. This can be combined with kneading and heat functions. It is recommended to start with a low intensity for initial use.
- Vibration: An additional vibrating massage is available on the toe area for a complete foot massaging experience.
- Timer: Set the massage duration to 15, 20, or 30 minutes. The unit will automatically shut off after the selected time.

Figure 4.2: The fast-heating function provides warmth up to 131°F, with two adjustable heat levels.

Figure 4.3: The massager is suitable for various user groups, including office workers, the elderly, and athletes.
For optimal results, experiment with different combinations of massage types, intensities, and heat levels to find what best suits your needs. It is advisable to start with lower intensity settings and gradually increase them as your feet become accustomed to the massage.
5. Maintenance
Proper maintenance ensures the longevity and hygiene of your COMFIER Foot Massager:
- Cleaning the Foot Sleeves: The foot sleeves are breathable, detachable, and washable.
- Unzip and remove the foot sleeves from the massager.
- Hand wash or machine wash the sleeves on a gentle cycle with mild detergent.
- Air dry completely before reattaching them to the massager.
- Cleaning the Unit: Wipe the exterior of the massager with a soft, damp cloth. Do not use abrasive cleaners or immerse the unit in water.
- Storage: When not in use, store the massager in a cool, dry place, away from direct sunlight and extreme temperatures. You can store it in its original packaging or under a couch for convenience.

Figure 5.1: The removable and washable foot sleeves ensure hygiene and ease of maintenance.
6. Troubleshooting
If you encounter any issues with your COMFIER Foot Massager, please refer to the following common troubleshooting steps:
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit does not turn on. | Power cord not properly connected; Power outlet not working. | Ensure the power cord is securely plugged into both the massager and a working electrical outlet. Try a different outlet. |
| Massage feels too weak or too strong. | Intensity setting is too low/high; Feet not positioned correctly. | Adjust the intensity settings (Low, Medium, High). Reposition your feet to ensure full contact with the massage nodes. Consider wearing socks for a softer feel if too strong. |
| Heat function is not working. | Heat function not activated; Unit not warmed up yet. | Ensure the heat button is pressed. Allow a few minutes for the heating elements to warm up. |
| Unusual noise during operation. | Normal operation sounds; Obstruction inside the unit. | Some operational noise is normal. If the noise is excessive or unusual, unplug the unit and contact customer support. |
If the problem persists after attempting these solutions, please contact COMFIER customer support for assistance.
7. Specifications
| Feature | Detail |
|---|---|
| Product Dimensions | 13.7 x 12.8 x 6.8 inches |
| Item Weight | 6.68 Pounds |
| Model Number | CF-521 (652805972503) |
| Brand | COMFIER |
| Power Source | Corded Electric (100-240V compatible) |
| Material | Polyester (foot sleeves) |
| Max Foot Size | US Men's 13 |
| Heat Temperature | Up to 131°F (55°C) |

Figure 7.1: Ergonomic design highlights key massage areas: foot tip (vibrating), ankle (compression), arch (kneading+scraping), and heel (vibrating+pressing).
8. Warranty and Support
COMFIER products are manufactured with high-quality materials and undergo strict quality control. For information regarding warranty coverage, product registration, or technical support, please refer to the warranty card included with your purchase or visit the official COMFIER website.
You can also contact COMFIER customer service directly for any questions or concerns:
- Online Support: Visit the COMFIER Store on Amazon
- Manufacturer: Comfier





