1. Important Safety Information
Please read all instructions carefully before using the COMFIER Cordless Neck Massager. Retain this manual for future reference.
- Always follow the instructions provided with the product for safe use.
- The device is equipped with an advanced NTC overheating protection and a default 10-minute auto shut-off function to ensure safe operation and prevent overheating.
- Do not use the massager while driving or operating heavy machinery.
- Consult a physician before use if you have any medical conditions, are pregnant, or have a pacemaker.
- Do not use on swollen, inflamed, or injured areas of the skin.
- Keep out of reach of children.
- 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.
2. Product Overview
The COMFIER Cordless Neck Massager with Heat (Model CF-6811) is designed to provide deep tissue kneading massage and soothing heat for the neck, shoulders, and back. Its cordless design offers convenience and portability, allowing for relaxation anywhere.

Image: COMFIER Cordless Neck Massager with Heat, showing the device in its typical U-shape with control panel on one arm and massage nodes visible.
Key Features:
- Cordless Convenience: Built-in 2500mAh battery for portable use.
- Intelligent 4D Kneading Massage: Features 6 massage nodes that mimic professional massage techniques.
- Soothing Heat: Two levels of heat (110℉-130℉) for muscle relaxation.
- Ergonomic Design: Conforms to shoulder curves, with adjustable straps for handheld or clip-on use.
- Lightweight and Portable: Weighs 2.4 pounds, made with PU leather and removable washable mesh.
3. Package Contents
Upon opening the package, ensure all items listed below are present:
- Neck Massager (1 unit)
- Removable Sleeve (1 unit)
- USB-Type-C Charging Cable (1 unit)
- User Manual (1 unit)
- Packing Box (1 unit)

Image: Contents of the COMFIER Neck Massager package, including the massager, removable sleeve, Type-C cable, user manual, and packaging box.
4. Specifications
| Feature | Detail |
|---|---|
| Product Dimensions | 9.45 x 5.87 x 6.42 inches |
| Item Model Number | CF-6811 |
| Item Weight | 2.42 Pounds |
| Battery | 1 Lithium Ion battery required (2500mAh built-in) |
| Power Source | Battery Powered |
| Material | Faux Leather |
| Heat Levels | 2 (110℉-130℉) |
| Massage Nodes | 6 (4D Kneading Technology) |
| Auto Shut-off | 10 minutes |
5. Setup
5.1 Charging the Device
Before initial use, fully charge the massager. Use the provided USB-Type-C charging cable to connect the device to a compatible power source.
- Battery Capacity: 2500mAh
- Charging Time: Approximately 2.5-3 hours
- Battery Life: Approximately 1.5-2 hours, depending on settings used (e.g., heat function consumes more power).

Image: Close-up of the COMFIER Neck Massager highlighting the Type-C charging port for convenient power replenishment.
6. Operating Instructions
6.1 Control Panel Overview
The control panel is located on one of the massager's arms for easy access during use.

Image: Close-up of the control panel on the COMFIER Neck Massager, showing buttons for power, mode, heat, and intensity.
- Power Button: Press and hold to turn the device ON/OFF.
- Mode Button: Cycles through different massage modes (e.g., continuous kneading, intermittent kneading).
- Heat Button: Activates and adjusts between two heat levels (Low/High).
- Intensity Button: Adjusts massage intensity (Low/Medium/High).
6.2 Wearing Options
The massager offers two primary ways to wear it for optimal comfort and massage effectiveness:
- Handheld Use: Place the massager around your neck and shoulders. Use the arm straps to hold the device in place and apply additional pressure as desired. This allows for precise control over the massage intensity and area.

Image: A person using the COMFIER Neck Massager in handheld mode, pulling the straps to adjust pressure on the neck and shoulders.
- Hands-Free Use: For extended relaxation or while performing other tasks, utilize the adjustable back strap. Secure the massager around your neck and shoulders, then connect the adjustable strap behind your back to keep the device in position without needing to hold the arm straps.

Image: A person wearing the COMFIER Neck Massager hands-free, with the adjustable strap secured behind their back, allowing them to relax or work.
6.3 Massage Modes and Heat Levels
- The 4D kneading technology provides deep tissue massage. Cycle through available modes using the Mode button to find your preferred massage style.
- Activate the heat function using the Heat button. Choose between two heat levels for added comfort and muscle relaxation.
- Adjust the massage intensity (Low, Medium, High) using the Intensity button to suit your comfort level.
6.4 Automatic Shut-off
For safety and to prevent overuse, the massager will automatically shut off after 10 minutes of continuous operation. You can restart the device if further massage is desired.
6.5 Versatile Application
While primarily designed for the neck and shoulders, the flexible design allows for use on other body areas such as the lower back, thighs, or calves, by positioning the massager appropriately.

Image: A person using the COMFIER Neck Massager on their lower back, demonstrating its versatility beyond just the neck and shoulders.
6.6 Product Demonstration Videos
Comfier Scalp Massager & Neck Massager Overview
Video: An official video from Comfier demonstrating the features and usage of the neck massager, including its application on the neck and as a scalp massager.
Comfier Upgraded 3rd Gen 4D Neck & Shoulder Massager Demonstration
Video: An official video from Comfier showcasing the upgraded 3rd generation 4D neck and shoulder massager, highlighting its design and functionality.
7. Maintenance
7.1 Cleaning
The massager features a removable and washable mesh cover. Unzip the cover to remove it and follow the washing instructions on the label. Wipe the main unit with a soft, damp cloth. Do not immerse the device in water.

Image: The COMFIER Neck Massager showing the removable mesh cover, indicating ease of cleaning.
7.2 Storage
Store the massager in a cool, dry place away from direct sunlight and extreme temperatures. Avoid placing heavy objects on the device.
8. Troubleshooting
| Problem | Possible Solution |
|---|---|
| Device does not turn on. | Ensure the device is fully charged. Press and hold the power button for a few seconds. |
| Massage intensity is too weak/strong. | Adjust the intensity using the Intensity button. For stronger massage, use the handheld option and apply gentle pressure. |
| Heat function is not working. | Ensure the heat function is activated via the Heat button. Allow a few minutes for the heat to build up. |
| Device stops unexpectedly. | The 10-minute auto shut-off may have activated. Restart the device. If the issue persists, ensure it is not overheating. |
9. Warranty and Support
COMFIER products are designed for quality and durability. For warranty information, product support, or to inquire about protection plans, please refer to the documentation included with your purchase or visit the official COMFIER website.
You can also visit the COMFIER Store on Amazon for additional product information and support resources.





