BESKAR Rechargeable Hand Warmer (Model ZLS-A8) User Manual

1. Introduction

This manual provides comprehensive instructions for the safe and efficient use of your BESKAR Rechargeable Hand Warmer. Please read this manual thoroughly before operating the device and retain it for future reference.

2. Product Overview

2.1 Included Components

• 1 x BESKAR Rechargeable Hand Warmer
• 1 x Portable Pouch
• 1 x Charging Cable (USB-A to Micro-USB)
• 1 x Gift Card (Informational only)

2.2 Key Features

• Double-Sided Heating: Provides warmth to both sides of your hands.
• Fast Heating: Reaches desired temperature in approximately 3 seconds.
• 3 Temperature Levels: Adjustable heat settings for personalized comfort.
• 5200mAh Power Bank: Can charge external devices like smartphones.
• Long-Lasting Warmth: Up to 4-8 hours of heating time.
• Intelligent Protection: Automatic shut-off if temperature exceeds 131°F (55°C) to prevent overheating.
• Portable Design: Compact and ergonomic for easy carrying.

Image: The BESKAR Rechargeable Hand Warmer shown with its retail packaging and a 'Best Wish!' card.

3. Setup

3.1 Charging the Hand Warmer

1. Connect the provided charging cable (USB-A to Micro-USB) to a compatible USB power adapter (not included) or a computer's USB port.
2. Insert the Micro-USB end into the charging port of the hand warmer.
3. The LED indicator lights will show the charging status. Blue lights indicate power capacity. When fully charged, all three blue lights will be solid.
4. Charging typically takes approximately 3 hours.

Image: The hand warmer connected via its charging cable to a wall adapter, illustrating the charging process.

3.2 Charging External Devices (Power Bank Function)

1. Connect your device's charging cable to the USB-A output port on the hand warmer.
2. The hand warmer will begin charging your device. The LED indicator lights will show blue to indicate power bank mode.
3. Note: The hand warmer does not support heating while charging external devices. The heating function will automatically switch off.

Image: The hand warmer connected to a smartphone via a USB cable, demonstrating its power bank functionality.

4. Operating Instructions

4.1 Power On/Off and Temperature Adjustment

1. To Power On: Long press the power button (approximately 3 seconds) until the red LED lights illuminate. The device will start heating.
2. To Adjust Temperature: Short press the power button once to cycle through the three heating levels:
   • Low Temperature: One red light (approx. 95-108°F / 35-42°C)
   • Medium Temperature: Two red lights (approx. 108-118°F / 42-48°C)
   • High Temperature: Three red lights (approx. 118-131°F / 48-55°C)
3. To Power Off: Long press the power button (approximately 3 seconds) until the red LED lights turn off.

Image: A diagram showing the three heating modes (Low, Medium, High) with corresponding temperature ranges and LED indicators.

4.2 LED Battery Indicator

• In any state, double-click the power button to show remaining power capacity with blue lights.
• One blue light: 0-30% power.
• Two blue lights: 30-66% power.
• Three blue lights: 66-100% power.
• When charging a mobile phone, the light will show blue color.
• When charging the hand warmer, the light will show blue color and flashing.

5. Safety Precautions

• Do not disassemble, open, chop, or pierce the product.
• If not used for an extended period, recharge the device at least every three months to maintain battery health.
• Do not expose the product to direct heat sources, open flames, or water.
• Avoid prolonged direct sunlight exposure.
• The hand warmer is designed for warming hands, feet, stomach, waist, and knees at low ambient temperatures.
• The intelligent temperature control system will automatically switch off the heating function if the temperature exceeds 131°F (55°C) to prevent burns.
• Do not use the heating function while simultaneously charging an external device.

6. Maintenance

• Clean the device with a soft, dry cloth. Do not use abrasive cleaners or immerse in water.
• Store the hand warmer in its portable pouch when not in use to protect it from scratches and dust.
• Store in a cool, dry place away from direct sunlight and extreme temperatures.

7. Troubleshooting

• Device not heating: Ensure the device is powered on by long-pressing the button. Check battery level; recharge if necessary.
• Device not charging: Verify the charging cable is securely connected to both the hand warmer and the power source. Try a different USB port or adapter.
• External device not charging: Ensure the hand warmer has sufficient battery charge. Confirm the charging cable for the external device is functional and correctly connected. Remember, heating is disabled during external device charging.
• Overheating: The device has an intelligent protection system that automatically shuts off heating if it exceeds 131°F (55°C). Allow it to cool down before resuming use.

8. Specifications

9. Warranty and Support

9.1 Warranty Information

Your BESKAR Rechargeable Hand Warmer comes with a 24-month warranty from the date of purchase. This warranty covers manufacturing defects and issues arising from normal use. Please retain your proof of purchase for warranty claims.

The warranty does not cover:

• Damage caused by misuse, abuse, or improper operation.
• Damage from unauthorized repairs or modifications.
• Normal wear and tear.
• Damage due to natural disasters or accidents.

9.2 Customer Support

For any questions, concerns, or support needs regarding your product, please contact BESKAR customer service. Refer to your product packaging or the retailer's website for contact details.