Introduction
Thank you for choosing the COMFIER CF-6419M Cordless Shiatsu Neck and Back Massager with Heat. This manual provides essential information for the safe and effective use of your new massager. Please read it thoroughly before operation and retain it for future reference.

Image: The COMFIER CF-6419M massager pillow, showcasing its ergonomic design and compact size.
Important Safety Information
To reduce the risk of electric shock, burns, fire, or injury, always follow these basic precautions:
- Always unplug the massager when not in use.
- Do not use on injured or sensitive areas of the body.
- Keep away from water or damp environments.
- Do not leave unattended while in use.
- Allow the massager to cool down completely before storing.
- Do not use if the charging cord or any part of the device is damaged.
- Consult a doctor before use if you have any medical conditions, are pregnant, or have a pacemaker.
- Keep out of reach of children and pets.
- 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.
Package Contents
- COMFIER CF-6419M Shiatsu Neck and Back Massager with Heat
- USB Type-C Charging Cable
- User Manual
Product Overview
The COMFIER CF-6419M is a versatile, cordless massager designed for deep tissue relief. It features 3 adjustable shiatsu modes, 2 heat levels, and flexible massage nodes. The device is compact and lightweight, making it suitable for various environments.

Image: A person relaxing with the COMFIER massager positioned on their neck, illustrating its ergonomic fit.
Controls and Features:
- Power/Mode Button: Turns the device on/off and cycles through massage modes (M1, M2, M3).
- Direction Button: Changes the rotation direction of the massage nodes.
- Heat Button: Activates and adjusts the heat levels (Low, High, Off).
- Type-C Charging Port: For convenient recharging.
- Adjustable Velcro Straps: For securing the massager to chairs or headrests.
- Flexible & Gentle Massage Nodes: Designed for comfortable deep tissue relief.
- Premium Anti-Fray Fabric: Durable and skin-friendly exterior.

Image: Close-up of the control panel on the massager, showing the power, direction, and heat buttons, along with the Type-C charging port.
Setup
- Initial Charge: Before first use, fully charge the massager using the provided USB Type-C charging cable. Connect the cable to the Type-C port on the massager and to a compatible USB power source. The battery indicator will show charging status. A full charge provides up to 1.5 hours of use.
- Positioning: The massager can be used on various body parts. For hands-free use, utilize the adjustable Velcro straps to secure it to an office chair, car seat headrest, or other suitable seating surfaces.

Image: A person using the massager secured to an office chair with its adjustable Velcro straps, demonstrating hands-free operation.
Operating Instructions
- Power On: Press and hold the Power/Mode button to turn on the massager. The massage nodes will begin rotating.
- Select Massage Mode:
- M1 (Auto Reverse): The massage nodes will automatically reverse direction every minute. (Default mode upon power-on)
- M2 (Forward Rotation): Press the Power/Mode button once to activate continuous forward rotation.
- M3 (Reverse Rotation): Press the Power/Mode button a second time to activate continuous reverse rotation.
- Adjust Heat Function: Press the Heat button to cycle through heat settings:
- Low Heat: Approximately 107.6°F (42°C).
- High Heat: Approximately 113°F (45°C).
- Press again to turn heat off. Heat reaches desired temperature within 30-60 seconds.

Image: Visual representation of the two heat levels available on the massager, Low Heat (107.6°F) and High Heat (113°F).
- Auto Shut-Off: The massager is equipped with an auto shut-off feature after 10 minutes to prevent overuse and ensure safety. You can restart the device after a brief rest period.
- Power Off: Press and hold the Power/Mode button to turn off the massager.
Recommended Usage Areas:
The versatile design allows for use on various body parts:
- Neck and Shoulders
- Upper and Lower Back
- Waist
- Arms and Legs
- Feet and Hands
- Abdomen (for gentle warmth and relaxation)

Image: Demonstrations of the massager being used on both the neck and lower back for targeted relief.
Official Product Video:
Video: An official product demonstration of the COMFIER Shiatsu Neck and Back Massager with Heat, showcasing its features and various uses.
Maintenance
- Cleaning: Unplug the massager before cleaning. Wipe the surface with a soft, slightly damp cloth. Do not use abrasive cleaners or immerse the device in water. The exterior fabric is designed to be durable and resistant to wear.
- Storage: Store the massager in a cool, dry place away from direct sunlight and extreme temperatures. Ensure the device is fully cooled down before storage.

Image: Close-up of the massager's premium anti-fray fabric, highlighting its high elasticity, supportability, and breathable qualities.
Troubleshooting Guide

Image: A detailed troubleshooting guide table for common issues with the massager.
| Issue | Solution |
|---|---|
| Device switches off suddenly | The device will switch off when the timer runs out (10 minutes). Press the "Power" button to continue using it. If the device has run for 10 minutes, restart after resting the unit for 15 minutes. Over-heat protection function activated: Device is switched off for your safety. Please rest device for 15-30 minutes before restarting. |
| Device fails to start | Check if device has been used for more than 10 minutes. If so, let device rest for 15 minutes before continuing. Device may require longer time to cool in warmer environments. The battery is low, please charge in time. |
| Massage feels too hard | Add a towel to the neck massager pillow before using it to soften the massage intensity. |
Specifications
- Product Dimensions: 14.69 x 4.72 x 7.87 inches
- Item Weight: 3.99 Pounds
- Item Model Number: CF-6419
- Batteries: 1 AA batteries required (internal rechargeable)
- Power Source: Battery Powered (Cordless)
- Material: Exterior material 100% Polyester
- Brand: COMFIER
- Color: Royal Blue
Warranty and Support
For warranty information or customer support, please refer to the contact details provided on the product packaging or visit the official COMFIER website. Keep your purchase receipt for warranty claims.





