Introduction
Thank you for choosing the Comfytemp Wireless Lumbar Heating Belt. This device is designed to provide targeted heat therapy and soothing massage to help relieve discomfort in the lower back, abdomen, and legs. Its portable, rechargeable design allows for use anytime, anywhere. Please read this manual thoroughly before use to ensure safe and effective operation.

Image: The Comfytemp Wireless Lumbar Heating Belt in use, offering pain relief on the go.
Important Safety Information
CAUTION: To prevent overheating, do not reheat the device immediately after it has automatically shut off after 30 minutes. Always allow the heating belt to cool completely before resuming use.
- Do not use while sleeping.
- Do not use on sensitive skin areas or in the presence of poor circulation.
- Consult a physician before use if you have any medical conditions, are pregnant, or have a pacemaker.
- Keep out of reach of children.
- Do not puncture or disassemble the device.
- Use only the provided power bank or a compatible 5V power source.
- Do not immerse the device in water.
Product Components
The Comfytemp Wireless Lumbar Heating Belt package includes the following items:
- Comfytemp Lumbar Heating Belt
- Rechargeable 5000mAh Power Bank
- Extension Strap
- USB Charging Cable (for power bank)
- User Manual (this document)

Image: Overview of the Comfytemp Lumbar Heating Belt components, including the hidden battery pocket, control buttons, extension strap, adjustable Velcro fasteners, and the 5000mAh power bank.
Setup Guide
- Charge the Power Bank: Before first use, fully charge the included 5000mAh power bank using the provided USB cable and a compatible USB power adapter (not included). The power bank's indicator lights will show charging status.
- Insert Power Bank: Locate the hidden battery pocket on the heating belt. Insert the fully charged power bank into this pocket and connect it to the belt's internal USB cable.
- Adjust the Belt: Wrap the heating belt around the desired area (lower back, abdomen, etc.). Use the adjustable Velcro straps to secure it comfortably. If needed, attach the extension strap to achieve a circumference of up to 147cm (58 inches).

Image: A man wearing the heating belt, illustrating the use of the extension strap for an adjustable fit up to 147cm (58 inches).
Operating Instructions
The control panel on the belt allows you to manage heat and massage functions.

Image: Detail of the control buttons, indicating power and heat levels (Low, Medium, High).
- Power On: Press and hold the power button (usually combined with heat or massage button) for a few seconds until the indicator light turns on.
- Select Heat Level: Press the heat button (often indicated by a wavy line icon) to cycle through the 3 heat settings:
- Low (Green indicator)
- Medium (Red indicator)
- High (Blue indicator)
- Select Massage Mode: Press the massage button (often indicated by a vibration icon) to cycle through the 3 massage modes.
- Automatic Shut-off: The device features an automatic shut-off function after 30 minutes of continuous use to prevent overheating and conserve battery.
- Power Off: Press and hold the power button again until the indicator lights turn off. Disconnect the power bank when not in use for extended periods.

Image: The heating belt in use, highlighting its three heat settings, three massage modes, and 30-minute auto-off feature.
Application Areas
The Comfytemp Lumbar Heating Belt is versatile and can be applied to various body parts for targeted relief:
- Lower Back: For general back pain and muscle tension.
- Abdomen: Effective for abdominal discomfort and menstrual cramps.
- Thighs/Legs: Can be wrapped around thighs or legs for muscle soreness.
- Upper Back: Can be positioned for relief in the upper back area.

Image: Demonstrations of the heating belt's versatility, showing its application on the waist, abdomen, thighs, and upper back.

Image: The heating belt providing comfort for abdominal and menstrual pain relief.
Maintenance
- Cleaning: Disconnect the power bank before cleaning. Wipe the surface of the heating belt with a damp cloth. Do not machine wash or submerge in water.
- Storage: Store the device in a cool, dry place away from direct sunlight when not in use. Ensure the power bank is disconnected.
- Battery Care: To prolong battery life, charge the power bank regularly, even if not in frequent use.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not turn on. | Power bank is not charged or not connected properly. | Ensure the power bank is fully charged and securely connected to the belt's internal cable. |
| Heat is not felt or is too low. | Incorrect heat setting selected; device recently auto-shut off. | Cycle through heat settings to a higher level. If auto-shut off occurred, allow the device to cool before restarting. |
| Massage function is not working. | Incorrect massage mode selected or power issue. | Cycle through massage modes. Check power bank connection and charge level. |
| Belt feels too loose or too tight. | Improper adjustment. | Adjust the Velcro straps. Use or remove the extension strap as needed for a comfortable fit. |
Specifications
- Model Number: K9214212
- Brand: Comfytemp
- Material: Polyester
- Color: Grey
- Item Weight: 580 Grams
- Power Source: 5000mAh Rechargeable Battery (5V)
- Heat Settings: 3 Levels (Low, Medium, High)
- Massage Modes: 3 Modes
- Special Feature: 30-minute Automatic Shut-off
- Max Adjustable Length: Up to 147 cm (58 inches) with extension strap
- Package Dimensions: 31.2 x 16.2 x 7.4 cm

Image: Dimensions of the heating belt, showing the main belt and extension strap lengths.
Warranty and Support
For warranty information, product support, or to contact customer service, please refer to the official Comfytemp website or the contact details provided with your purchase. Keep your purchase receipt for warranty claims.





