1. Introduction
Thank you for choosing the Bearwind Coffee Mug Warmer S35. This 50W fast-heating device is designed to keep your coffee, tea, milk, and other hot beverages at your preferred temperature for extended periods. Featuring smart temperature control, an adjustable timer, and an automatic shut-off function, it ensures both convenience and safety. Its sleek design makes it a perfect addition to any home or office desk.
2. Important Safety Information
- UL Certified: This product is UL certified for safe and reliable use.
- Automatic Shut-Off: The mug warmer features a 4-hour automatic shut-off for safety and energy saving.
- Timer Function: Utilize the 2-12 hour timer to set a specific operating duration.
- Hot Surface: The heating plate becomes hot during operation. Avoid direct contact with the heating surface to prevent burns.
- Placement: Place the warmer on a stable, flat surface away from flammable materials.
- Liquid Spills: Do not immerse the unit in water or other liquids. Wipe any spills immediately with a dry cloth.
- Children and Pets: Keep out of reach of children and pets.
3. Key Features
- Fast Heating: 50W power for quick and efficient heating.
- 4 Temperature Settings: Maintain beverages at 125°F, 135°F, 150°F, or 176°F.
- Smart Display: Bright, intuitive display shows current temperature and timer settings.
- Adjustable Timer: Set operation duration from 2 to 12 hours.
- Auto Shut-Off: Automatically turns off after 4 hours of continuous use (default setting).
- Large Heating Plate: 4.5-inch glass surface accommodates most mugs and is easy to clean.
- Multi-purpose: Can also be used as a candle warmer to diffuse scents.
- Mug Sensor: Automatically detects when a mug is placed on or removed from the heating plate, stopping active heating when the mug is lifted.

Image: The mug warmer displaying its four adjustable heat levels, ranging from 125°F to 176°F, ensuring your beverage stays at your preferred warmth.
4. Setup
- Unpack the mug warmer and place it on a flat, stable, and heat-resistant surface.
- Ensure the power cord is free from kinks or damage.
- Plug the power cord into a standard electrical outlet.
- Wipe the bottom of your mug to ensure it is dry before placing it on the heating plate.
5. Operating Instructions
5.1 Power On/Off
- To turn on: Press the power button (usually indicated by a power symbol). The display will light up, showing the default temperature and timer.
- To turn off: Press and hold the power button for 5 seconds, or cycle through all temperature settings until the unit turns off.
5.2 Adjusting Temperature
- After powering on, press the temperature button (often indicated by a thermometer icon or up/down arrows) to cycle through the 4 available temperature settings: 125°F, 135°F, 150°F, and 176°F.
- The smart display will show the selected temperature.
5.3 Setting the Timer
- Press the timer button (often indicated by a clock icon) to adjust the automatic shut-off time.
- Cycle through options from 2 hours up to 12 hours. The default auto shut-off is 4 hours if no timer is set.
5.4 Celsius/Fahrenheit Exchange
- To switch between Celsius and Fahrenheit: Ensure the unit is OFF.
- Press and hold the TIME button for 2 seconds until the temperature is displayed.
- Short press the TIME button to toggle between °F and °C.
- Wait for the display to stop blinking, then power on the device. The unit will remember your last choice.
5.5 Mug Sensor Functionality
- The mug warmer is equipped with a smart sensor. When a mug is placed on the heating plate, the unit will begin heating.
- If the mug is lifted, the active heating process will pause, indicated by a blinking light. Heating will resume once the mug is placed back on the plate.
Video: Demonstration of the mug warmer's smart infrared sensor, showing how it automatically detects a mug and begins heating, and pauses when the mug is removed.
6. Maintenance and Cleaning
- Always unplug the device and allow it to cool completely before cleaning.
- Wipe the glass heating surface and the body of the warmer with a soft, lightly damp cloth.
- Do not use abrasive cleaners or scouring pads, as these can damage the surface.
- Never immerse the mug warmer in water or any other liquid.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Warmer does not turn on. | Not plugged in; power button not pressed. | Ensure the unit is securely plugged into a working outlet. Press the power button to turn on. |
| Beverage is not warm enough. | Incorrect temperature setting; mug material/thickness. | Increase the temperature setting. Use mugs with flat bottoms and made of materials like ceramic or glass for optimal heat transfer. |
| Mug warmer turns off unexpectedly. | Auto shut-off activated; timer expired. | The unit has a 4-hour auto shut-off. Adjust the timer setting if longer operation is desired. |
| Mug sensor not working. | Mug not heavy enough to activate sensor; sensor obstruction. | Ensure the mug is placed centrally and has sufficient weight. Clean the sensor area if obstructed. |
8. Specifications
- Model Number: S35
- Brand: Bearwind
- Wattage: 50 watts
- Maximum Temperature: 176°F (80°C)
- Product Dimensions: 5.7 x 5.5 x 1.1 inches
- Item Weight: 14.4 ounces
- Material: Plastic, glass-ceramic
- Power Source: AC
- Certification: UL Certified

Image: The mug warmer highlighting its UL certification, ensuring safety and quality standards.
9. Warranty and Support
For any questions, concerns, or warranty claims regarding your Bearwind Coffee Mug Warmer S35, please contact Bearwind customer support. Refer to the product packaging or the official Bearwind website for contact details.