1. Product Overview
The Yuegit N7 is a set of two rechargeable electric hand warmers designed to provide long-lasting warmth in cold conditions. Featuring a unique 2024 design, these hand warmers come with a dedicated charging case, offering a combined battery capacity of 14,000 mAh. Each hand warmer provides rapid heating and adjustable temperature settings, making them suitable for various indoor and outdoor activities.
Image 1.1: Yuegit N7 Hand Warmers and Charging Case. The image highlights the total battery capacity and extended heating duration.
2. Package Contents
Please check the package for the following items:
- 2 x Yuegit N7 Electric Hand Warmers
- 1 x Charging Case (10,000 mAh)
- 1 x USB Charging Cable
- 1 x User Manual
Image 2.1: Package contents of the Yuegit N7 Hand Warmer set.
3. Setup and Initial Charging
Before first use, it is recommended to fully charge both the hand warmers and the charging case.
- Charge the Charging Case: Connect the provided USB charging cable to the charging case's input port and a suitable USB power adapter (not included). The indicator lights on the case will show the charging status. Ensure the case is fully charged before using it to charge the hand warmers.
- Charge the Hand Warmers: Place the two hand warmers into their respective slots within the fully charged charging case. The hand warmers will begin charging automatically. Indicator lights on the hand warmers will show their charging status.
- Full Charge Indication: Once fully charged, the indicator lights on both the hand warmers and the charging case will typically turn solid or off, depending on the model's specific design.
4. Operating Instructions
4.1 Power On/Off and Temperature Adjustment
Each hand warmer operates independently.
- To Power On: Press and hold the power button on the hand warmer for approximately 3 seconds. The indicator light will illuminate, and the hand warmer will begin to heat up.
- To Adjust Temperature: Briefly press the power button to cycle through the three available temperature levels. Each press will change the heat setting, indicated by the color or number of illuminated lights.
- To Power Off: Press and hold the power button for approximately 3 seconds until the indicator light turns off.
Image 4.1: Hand warmer heating elements and control indicators.
4.2 Temperature Levels and Duration
Each hand warmer has three temperature settings:
- Level 1 (Low): Approximately 35°C to 41.7°C (95°F to 107°F) - Up to 10 hours of continuous heat.
- Level 2 (Medium): Approximately 41.7°C to 47.8°C (107°F to 118°F) - Up to 7 hours of continuous heat.
- Level 3 (High): Approximately 47.8°C to 55°C (118°F to 131°F) - Up to 4.5 hours of continuous heat.
Note: Heating duration may vary based on ambient temperature and usage conditions.
Image 4.2: Hand warmer dimensions and approximate heating durations per temperature level.
4.3 Magnetic 2-in-1 Design
The hand warmers feature a magnetic design, allowing them to be combined into a single unit for a 360-degree heating experience or separated for individual use. Simply bring the flat magnetic sides of the two hand warmers together to connect them.
Image 4.3: Illustration of the magnetic 2-in-1 function, showing how the hand warmers can be combined.
5. Maintenance
- Cleaning: Wipe the hand warmers and charging case with a soft, dry cloth. Do not use abrasive cleaners or immerse in water.
- Storage: When not in use for extended periods, store the hand warmers and charging case in a cool, dry place. It is recommended to charge them fully every 3 months to maintain battery health.
- Battery Care: Avoid fully depleting the battery frequently. Recharge when the battery indicator is low.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Hand warmer not heating. | Battery is low or depleted. Device is not powered on. | Charge the hand warmer. Press and hold the power button for 3 seconds to turn it on. |
| Hand warmer not charging in case. | Charging case battery is low. Hand warmer not properly seated. | Charge the charging case. Ensure the hand warmer is correctly placed in its slot. |
| Charging case not charging. | USB cable or power adapter faulty. Charging port is dirty. | Try a different USB cable and power adapter. Gently clean the charging port with a dry, soft brush. |
| Hand warmer gets too hot. | Set to highest temperature level. | Cycle through temperature settings to a lower level. If overheating persists, discontinue use and contact support. |
7. Specifications
| Model Number | N7 |
| Brand | Yuegit |
| Hand Warmer Battery Capacity | 2 x 2000 mAh (Total 4000 mAh for hand warmers) |
| Charging Case Battery Capacity | 10,000 mAh |
| Total Battery Capacity | 14,000 mAh |
| Material | Aluminum, Acrylonitrile Butadiene Styrene (ABS) |
| Dimensions (L x W x H) | 8.79 x 3.81 x 2.18 cm (per hand warmer) |
| Weight | 420 grams (total package) |
| Power Source | Battery Powered (Lithium-ion / Lithium-polymer) |
| Reusability | Rechargeable |
| Certifications | UL, CE, FCC (as per product description) |
8. Safety Information
Please read and follow these safety precautions to prevent injury or damage to the device:
- Do not expose the device to extreme temperatures, direct sunlight, or open flames.
- Do not puncture, disassemble, or modify the device.
- Keep out of reach of children and pets.
- Do not use if the device appears damaged or swollen.
- Avoid prolonged direct contact with skin at the highest temperature setting to prevent burns, especially for individuals with sensitive skin or poor circulation.
- Use only the provided charging cable or a certified equivalent.
- Do not use while sleeping.
9. Warranty and Support
For warranty information or technical support, please refer to the contact details provided with your purchase or visit the official Yuegit website. Keep your proof of purchase for warranty claims.