1. Introduction
Thank you for choosing the Lepwings Rechargeable Electric Hand Warmer. This device is designed to provide reliable and portable warmth for your hands during cold weather. Please read this manual carefully before use to ensure proper operation and to maximize the lifespan of your product.
2. Product Overview
2.1 Package Contents
- 2 x Lepwings Rechargeable Hand Warmers
- 1 x USB-A to Dual USB-C Charging Cable
- 1 x User Manual
2.2 Key Features
- Ultra-Long Battery Life: Each hand warmer is equipped with a 3000 mAh battery, providing 8 to 20 hours of continuous warmth on a single charge.
- Fast and Efficient Heating: Utilizes pulse heating technology to reach desired temperature in just 3 seconds.
- Three Temperature Levels: Adjustable heat settings (35-42°C, 42-48°C, 48-55°C) for personalized comfort.
- Detachable Design: Can be used as two separate unilateral hand warmers or combined for double-sided heating.
- Dual Charging Efficiency: Includes a USB-A to dual USB-C cable for simultaneous charging of both units.
- Safety Assurance: Constructed from high-quality, flame-retardant materials (aluminum alloy, ABS, PC) with built-in overheat and short-circuit protection.
- Compact and Portable: Easy to carry in a pocket or bag.
3. Setup
3.1 Initial Charging
Before first use, fully charge both hand warmers. Connect the provided USB-A to dual USB-C charging cable to a USB power adapter (not included) and then to the charging ports on each hand warmer. The LED indicator will show charging status.
Figure 1: Charging the hand warmers and understanding the LED battery indicator. Double-click to display the remaining battery level.
- A full charge takes approximately 4.5 hours.
- The LED indicator will show the battery level:
- One light: 5-35% battery
- Two lights: 36-70% battery
- Three lights: 71-100% battery
4. Operating Instructions
4.1 Power On/Off and Temperature Adjustment
To power on or off the hand warmer, press and hold the power button for a few seconds. Once powered on, a short press of the power button will cycle through the three temperature levels.
Figure 2: Three adjustable heating levels and their approximate durations.
- Low (35-42°C): Up to 20 hours of warmth.
- Medium (42-48°C): Up to 14 hours of warmth.
- High (48-55°C): Up to 8.5 hours of warmth.
The hand warmer heats up in approximately 3 seconds, providing immediate warmth.
Figure 3: The hand warmer provides warmth in just 3 seconds.
4.2 Detachable Design
The Lepwings hand warmer features a unique detachable design, allowing for versatile use:
- Separate Use: Use both units individually to warm each hand separately.
- Combined Use: Attach the two units together to create a single, double-sided heating source for enhanced warmth.
Figure 4: The 2-in-1 detachable design allows for flexible use.
Figure 5: The hand warmers can be used separately or assembled.
5. Safety Information
Your Lepwings hand warmer is designed with multiple safety features. Please adhere to the following guidelines for safe use:
- Do not expose the device to extreme temperatures (above 60°C or below -10°C).
- Do not puncture, disassemble, or modify the device.
- Keep away from water and moisture.
- Do not use if the device is damaged.
- Keep out of reach of children and pets.
- Avoid prolonged direct contact with skin at the highest temperature setting to prevent burns, especially for sensitive skin.
- The device includes an intelligent AI chip for multiple protections, ensuring safety and comfort.
Figure 6: Intelligent AI chip provides multiple safety protections.
6. Maintenance
- Clean the device with a soft, dry cloth. Do not use abrasive cleaners or immerse in water.
- Store in a cool, dry place when not in use.
- For optimal battery life, charge the device at least once every three months if stored for extended periods.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not turn on. | Low battery. | Charge the device fully. |
| Device not heating. | Not powered on or incorrect temperature setting. | Press and hold the power button to turn on. Short press to adjust temperature. |
| Short battery life. | Using on highest heat setting; battery degradation over time. | Use a lower heat setting for longer duration. Ensure full charge before use. |
| Charging issue. | Cable or adapter fault; improper connection. | Ensure cable is securely connected. Try a different USB adapter or cable. |
8. Specifications
| Feature | Detail |
|---|---|
| Model Number | AOY-702 |
| Brand | Lepwings |
| Battery Capacity | 3000 mAh per unit (6000 mAh total for 2-pack) |
| Battery Type | Lithium-ion |
| Charging Time | Approx. 4.5 hours (full charge) |
| Heating Duration | 8-20 hours (depending on temperature setting) |
| Temperature Levels | Low: 35-42°C, Medium: 42-48°C, High: 48-55°C |
| Dimensions (L x W x H) | 87 x 46 x 18 mm (per unit) |
| Weight | Approx. 104.5 grams (per unit) |
| Material | High-tech aluminum alloy, ABS, flame-retardant PC |
| Power Source | Battery powered |
| Included Components | Charging cable, User manual |
9. Warranty and Support
Lepwings products are manufactured with quality and reliability in mind. For warranty information and customer support, please refer to the contact details provided with your purchase or visit the official Lepwings website.
Return Policy: Standard return policy is 30 days for refund/replacement.
10. Environmental Commitment
The Lepwings Rechargeable Electric Hand Warmer is designed to be reusable, reducing the need for disposable hand warmers and minimizing waste. We are committed to sustainability in our production, packaging, and transportation processes.
Figure 7: Lepwings' commitment to sustainability and reusability.