1. Introduction
Thank you for choosing the Tonfarb Heated Vest for Women. This manual provides essential information for the safe and effective use of your heated vest. Please read it thoroughly before use and retain it for future reference.
This heated vest is designed to provide warmth in cold environments, featuring multiple heating zones and adjustable temperature settings for optimal comfort during outdoor activities such as skiing, mountaineering, cycling, fishing, camping, or hunting.
2. Product Features
- 4 Heating Zones: Equipped with 4 carbon fiber heating pads strategically placed to warm core body areas.
- 3 Temperature Settings: Adjustable via LED buttons (Red: High 50-55℃/122-131°F, White: Medium 45-50℃/113-122°F, Blue: Low 40-45℃/104-113°F).
- Premium Material: Soft, lightweight, waterproof, comfortable, and breathable fabric (100% nylon shell, 100% polyester lining). Features excellent stretchability, scratch resistance, and wind resistance.
- USB Rechargeable: Powered by any compatible 5V/2A power bank (not included).
- Long-lasting Heat: A 10,000mAh power bank can provide up to 12 hours of heat on low setting.
- Health Benefits: Promotes blood circulation, warms the body, and improves oxygen and blood flow.

Image: Front and back view of the Tonfarb Heated Vest, showing the internal heating elements.

Image: Illustration of the three heating levels (Red for High, White for Medium, Blue for Low) and their corresponding temperature ranges.

Image: Chart showing heating duration based on temperature level and a 10,000mAh power bank. High: 6-8h, Medium: 8-10h, Low: 10-12h.

Image: Close-up views of the vest's premium design features, including the stand collar, double switch button, zipper, battery pocket with waterproof cover, ultra-soft fleece lining, and hip elastic design.
3. Setup and First Use
- Charge Power Bank: Ensure your 5V/2A compatible power bank (not included) is fully charged before use.
- Connect Power Bank: Locate the USB cable inside the vest's battery pocket. Connect the USB cable to your charged power bank.
- Place Power Bank: Securely place the power bank inside the dedicated battery pocket and close the pocket zipper.
- Wear Vest: Put on the heated vest.
4. Operating Instructions
4.1 Powering On/Off
- To turn on the heating system, long press the LED button on the vest for approximately 3 seconds until the light illuminates.
- To turn off the heating system, long press the LED button again for approximately 3 seconds until the light turns off.
4.2 Adjusting Temperature Levels
Once the vest is powered on, you can cycle through the temperature settings by short pressing the LED button:
- Red Light: High Temperature (50-55℃ / 122-131°F)
- White Light: Medium Temperature (45-50℃ / 113-122°F)
- Blue Light: Low Temperature (40-45℃ / 104-113°F)
Press the button repeatedly to cycle through Red → White → Blue → Red, and so on.

Image: Visual guide showing how to connect the power bank, long press to turn on/off, and short press to switch between heating modes.
5. Maintenance and Care
Proper care will extend the life of your Tonfarb Heated Vest. Follow these instructions carefully:
- Disconnect Power: Always disconnect the USB power supply and remove the power bank before cleaning.
- Washing: The vest is hand washable or machine washable.
- Machine Washing: If machine washing, place the vest in a mesh laundry bag to protect it. Use a gentle cycle with cold water.
- Drying: Do not wring or twist the vest. Hang dry completely before reconnecting power or storing. Ensure the USB port is dry.
- Avoid: Do not dry clean, bleach, iron, or tumble dry the vest.

Image: Visual representation of hand washing and machine washing (with mesh bag) instructions. Emphasizes disconnecting USB power supply before washing.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Vest does not heat up. | Power bank not connected or low battery. USB cable not properly inserted. Vest not powered on. | Ensure power bank is fully charged and connected. Check USB connection. Long press the power button to turn on. |
| Heating is weak or inconsistent. | Power bank output is insufficient (not 5V/2A). Low temperature setting selected. | Use a power bank with 5V/2A output. Short press the button to cycle to a higher temperature setting (White or Red). |
| LED light is off, but vest is connected. | Vest is off or power bank is off. | Long press the vest's power button. Check if the power bank is turned on. |
7. Specifications
- Model Number: WJ5V2A
- ASIN: B0CFFFDHVX
- Heating Zones: 4 (Core body areas)
- Temperature Levels: 3 (High: 50-55℃, Medium: 45-50℃, Low: 40-45℃)
- Power Input: 5V/2A USB (Power bank not included)
- Fabric Composition: Shell: 100% Nylon, Lining: 100% Polyester
- Care Instructions: Hand wash or machine wash in mesh bag. Do not dry clean, bleach, or iron.
- Dimensions (Package): 39.4 x 27.1 x 8.4 cm
- Weight (Vest): 462 grams
7.1 Size Chart (Women's Heated Vest)
| Size | Length | Chest | Waist | Hip |
|---|---|---|---|---|
| M | 63cm (24.8") | 106cm (41.73") | 101cm (39.76") | 106cm (41.73") |
| L | 65cm (25.6") | 113cm (44.49") | 108cm (42.52") | 113cm (44.49") |
| XL | 66cm (25.98") | 120cm (47.24") | 115cm (45.28") | 120cm (47.24") |
Note: Please allow 0.5-1cm (0.2-0.4 inch) deviations due to manual measurement.

Image: Detailed size chart for the women's heated vest, showing measurements for length, chest, waist, and hip across different sizes.
8. Warranty and Support
Tonfarb offers a one-year warranty for this heated vest. If you encounter any issues or have questions regarding your product, please contact our customer support for assistance.
For warranty claims or technical support, please refer to the contact information provided with your purchase or visit the official Tonfarb website.