comfheat US-158-3
Cordless Leg Heating Pad with Vibration
User Manual
Model: US-158-3 | Brand: comfheat
1. Introduction
Thank you for choosing the comfheat Cordless Leg Heating Pad with Vibration. This device is designed to provide targeted heat and vibration therapy to help alleviate discomfort, muscle tension, and joint stiffness in your calves, knees, thighs, and shin splints. Its portable and rechargeable design allows for convenient use at home, in the office, or while traveling. Please read this manual thoroughly before use to ensure safe and effective operation.
2. Safety Information
WARNING: To reduce the risk of burns, electric shock, fire, or injury to persons, this product must be used in accordance with the following instructions.
- Avoid use on broken or damaged skin.
- Do not use while sleeping.
- Keep away from water. Do not submerge the device in water.
- Do not use pins or other metallic means to fasten this product.
- Do not use on an infant, invalid, or a person insensitive to heat.
- Always check the skin under the heated area frequently to avoid burns.
- The device features a 45-minute auto-shutoff for safety. Do not attempt to bypass this feature.
- Built-in overheat protection is included for worry-free use.
- Consult a physician before use if you have any medical conditions, including but not limited to diabetes, circulatory problems, or nerve damage.
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. Package Contents
- 1 x Cordless Leg Heating Pad with Vibration
- 1 x Detachable 5000mAh Power Bank
- 1 x USB Charging Cable
- 1 x User Manual
4. Product Overview
The comfheat heating pad is designed for versatile application on various parts of the leg, offering both heat and vibration therapy. It features an intuitive control panel and adjustable straps for a secure and comfortable fit.

Image: The Comfheat Cordless Leg Heating Pad with Vibration, demonstrating its application on a leg with heat and vibration indicators.

Image: A detailed breakdown of the heating pad's features, including its secure straps, control buttons, USB connector, and the included 5000mAh power bank.
Key Components:
- Control Panel: Integrated buttons for adjusting heat and vibration settings.
- Heating Elements: Strategically placed to deliver warmth to the targeted area.
- Vibration Motors: Provide soothing massage.
- Battery Pocket: Securely holds the detachable power bank.
- Adjustable Elastic Straps: Ensure a snug and customizable fit for various body parts.
5. Setup
5.1 Charging the Power Bank
- Locate the included 5000mAh power bank and USB charging cable.
- Connect the USB charging cable to the power bank's charging port.
- Plug the other end of the USB cable into a compatible USB power adapter (not included) or a computer USB port.
- Allow the power bank to fully charge before first use. The indicator lights on the power bank will show charging status.
5.2 Attaching the Power Bank to the Heating Pad
- Once charged, insert the power bank into the designated pocket on the heating pad.
- Connect the heating pad's USB connector to the power bank's output port. Ensure a secure connection.
5.3 Positioning the Heating Pad
- Position the heating pad on the desired area of the body (knees, calves, thighs, shins).
- Adjust the elastic straps for a snug and comfortable fit. The straps are designed to be flexible and secure, accommodating various leg sizes (14-36 inches).

Image: A diagram illustrating the adjustable fit of the heating pad, highlighting its dimensions and the secure, flexible strap system.
6. Operating Instructions
The heating pad offers customizable heat and vibration settings for optimal comfort and relief.

Image: The heating pad's control interface, detailing the three heat levels and three vibration intensities available.
6.1 Power On/Off
- Press and hold the power button (usually indicated by a power symbol or a combined heat/vibration icon) for 2-3 seconds to turn the device ON or OFF.
6.2 Adjusting Heat Levels
- Once powered on, press the heat button (often indicated by a sun or temperature icon) to cycle through the heat settings.
- Available heat levels: Low (104℉/40℃), Medium (122℉/50℃), High (140℉/60℃).
- The indicator light will change color to reflect the selected heat level.
6.3 Adjusting Vibration Intensities
- Press the vibration button (often indicated by a wave or massage icon) to cycle through the vibration intensities.
- Available vibration intensities: Low, Medium, High.
- The indicator light will change color or pattern to reflect the selected vibration intensity.
6.4 Automatic Shut-off
- For safety, the device will automatically shut off after 45 minutes of continuous use.
- If you wish to continue therapy, simply turn the device back on and select your desired settings.
6.5 Recommended Usage
This cordless heated wrap is flexible enough for use on knees, calves, and thighs. It is perfect for athletes, office workers, and anyone seeking to alleviate muscle soreness, joint pain, or leg fatigue.

Image: Examples of the heating pad's versatile use for post-workout relaxation, muscle tension, and joint stiffness.
7. Maintenance
7.1 Cleaning
- Ensure the device is turned off and disconnected from the power bank before cleaning.
- Wipe the surface of the heating pad with a soft, damp cloth.
- Do not use abrasive cleaners or submerge the pad in water.
- Allow the pad to air dry completely before storing or next use.
7.2 Storage
- Store the heating pad in a cool, dry place away from direct sunlight and moisture.
- Keep out of reach of children and pets.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Pad not heating/vibrating | Power bank not connected or discharged. | Ensure power bank is fully charged and securely connected to the pad. |
| Pad feels too hot | Heat setting is too high for your comfort. | Reduce the heat level. If discomfort persists, discontinue use. |
| Pad automatically shuts off | 45-minute auto-shutoff feature activated. | This is a safety feature. Turn the device back on to resume use. |
| Pad does not stay in place | Straps are not adjusted correctly. | Re-adjust the elastic straps to ensure a snug and secure fit. |
9. Specifications
- Model Number: US-158-3
- Brand: comfheat
- Material: Heat & Vibration components within fabric wrap
- Heat Levels: 3 (104℉/40℃, 122℉/50℃, 140℉/60℃)
- Vibration Intensities: 3 (Low, Medium, High)
- Battery: Detachable 5000mAh Power Bank
- Auto Shut-off: 45 minutes
- Package Dimensions: 11.14 x 6.18 x 1.77 inches
- Item Weight: 14.39 ounces
- Manufacturer: Wuhanxilianpingxinxikejiyouxiangongsi
10. Warranty and Support
This product is manufactured by Wuhanxilianpingxinxikejiyouxiangongsi under the comfheat brand. For any questions, concerns, or technical support regarding your Cordless Leg Heating Pad with Vibration, please contact the seller or manufacturer directly through your purchase platform.
Please retain your proof of purchase for any warranty claims. Specific warranty terms and conditions may vary and are typically provided at the time of purchase or can be obtained by contacting customer support.
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