1. Introduction
Thank you for purchasing the GNIYUIX Coffee Mug Warmer. This device is designed to keep your beverages at your preferred warm temperature, enhancing your drinking experience. Please read this manual carefully before use to ensure safe and optimal operation.
2. Setup
- Unpack the Warmer: Carefully remove the mug warmer from its packaging. Ensure all components are present and undamaged.
- Placement: Place the mug warmer on a flat, stable, and heat-resistant surface, away from water or excessive moisture.
- Power Connection: Plug the power cord into a standard electrical outlet. The device is ready for use.
- Mug Compatibility: The warmer is compatible with most flat-bottomed cups made of glass, ceramic, or metal. For best results, use cups with a flat or thin bottom. It can also be used as a candle warmer.

3. Operating Instructions
- Power On/Off: Press and hold the power button (U) to turn the mug warmer on or off.
- Setting Temperature: Once powered on, lightly press the temperature button (SSS) to cycle through the 5 available temperature settings: 135°F, 145°F, 155°F, 165°F, and 175°F. The selected temperature will be displayed on the LED screen.
- Setting Auto Shut-off Timer: While the mug warmer is on, lightly press the power button (U) to set the auto shut-off timer. You can select a duration from 1 to 12 hours. The device will automatically turn off once the set time is reached. The default auto shut-off is 4 hours.
- Setting Auto Turn-on Timer: While the mug warmer is off, tap the power button (U) to set a scheduled turn-on time. The selected time will flash continuously, indicating that the warmer is in scheduling mode. Once the scheduled time is reached, the warmer will automatically turn on and begin heating.


4. Maintenance
- Cleaning: Unplug the coffee warmer and allow the heating surface to cool completely before cleaning. Do not clean this product with water spray or by immersing it in water or other liquids. Use a damp cloth to wipe down the surface of the coffee warmer. Dry it thoroughly with a clean, dry cloth.
- Storage: Store the mug warmer in a cool, dry place when not in use.
5. Troubleshooting
| Problem | Possible Cause / Solution |
|---|---|
| Unable to turn on | Please try to unplug, wait for a while, and then replug. Turn on the power button. |
| Settings changes automatically or hard to turn on | Please check if there is any water or liquid on or around the heating surface. Clean it and try again. |
| Device emits a slight smell at first use | A slight smell may be felt at the beginning of use. This is normal and will disappear over time. |
| Device is not heating or functioning correctly after trying solutions | If these tips still cannot solve your problem, please contact the seller for assistance. |
6. Specifications
- Brand: GNIYUIX
- Model: B0DC5FZCTY
- Color: Wood Grain (No Mug)
- Material: Plastic
- Power Source: Corded Electric
- Item Weight: 0.7 Pounds
- Wattage: 36 watts
- Maximum Temperature: 175 Degrees Fahrenheit
- Heated Panel Size: 4.4 inches
- Power Cord Length: 55 inches
7. Safety Information
- Hot Surface: The heating area becomes hot during operation. Avoid direct contact with the heating surface to prevent burns. Look for the "HOT AREA DO NOT TOUCH" indicator.
- Auto Shut-off: The device includes an automatic shut-off feature (default 4 hours, customizable up to 12 hours) for safety. Do not leave the device unattended for extended periods.
- Children and Pets: Keep the mug warmer out of reach of children and pets.
- Proper Use: Use only with compatible mugs and for its intended purpose (keeping beverages warm or as a candle warmer).
8. Warranty and Support
For warranty information, technical support, or any inquiries regarding your GNIYUIX Coffee Mug Warmer, please refer to the contact information provided with your purchase or visit the official GNIYUIX website. Keep your purchase receipt for warranty claims.