Introduction
The SWEETFULL Mug Warmer is designed to keep your beverages at an optimal drinking temperature. Featuring advanced heating technology and smart controls, it ensures your coffee, tea, milk, or other warm drinks remain enjoyable for extended periods. This manual provides essential information for safe and effective operation.

Image: Top view of the SWEETFULL Mug Warmer, highlighting its sleek design and control interface.
Safety Information
- CAUTION: HOT SURFACE. The heating panel becomes very hot during operation. Avoid direct contact with skin.
- Do not immerse the unit in water or any other liquid. The surface is waterproof for spills, but the unit is not submersible.
- Ensure the mug warmer is placed on a stable, flat, heat-resistant surface.
- Keep out of reach of children and pets.
- Unplug the device when not in use or before cleaning.
- Do not operate if the power cord or plug is damaged.
- This product is UL, CE, and FCC certified for safety.
Package Contents
- 1 x SWEETFULL Mug Warmer (Model: DS1287)
- 1 x User Manual
Product Overview
The SWEETFULL Mug Warmer features a sleek design with intuitive controls. Key components include:
- Heating Panel: A 5.2-inch super large heating surface designed for efficient heat transfer.
- Digital Display: Shows current temperature setting (in °F or °C) and timer.
- Power Button: Controls power ON/OFF and cycles through temperature settings.
- Timer Button: Sets the automatic shut-off timer.

Image: Dimensions of the mug warmer, illustrating the large heating area and cord length.
Setup
- Unpack the mug warmer and ensure all components are present and undamaged.
- Place the unit on a flat, stable, and heat-resistant surface, away from flammable materials.
- Plug the power cord into a standard 120V AC electrical outlet. The digital display will briefly light up.
Operating Instructions
Temperature Settings
- Power ON: Press the Power Button (⑂) once to turn on the mug warmer. The display will show the default high temperature setting (176°F).
- Adjust Temperature: Press the Power Button (⑂) repeatedly to cycle through the three temperature settings:
- 176°F (High)
- 150°F (Medium)
- 130°F (Low)
- Switch Units: Long press the Timer Button (⏱) to switch between Fahrenheit (°F) and Celsius (°C) display.
- Power OFF: Continue pressing the Power Button (⑂) until the display turns off, or long press the Power Button (⑂) for 3 seconds.

Image: Temperature settings chart illustrating the three available heat levels.
Setting the Timer
- The mug warmer has a default auto shut-off after 4 hours of continuous operation.
- To customize the timer, press the Timer Button (⏱) while the unit is on.
- Each press will cycle through the timer options: 2H, 4H, 6H, 8H, 10H, 12H.
- The display will show the selected timer duration. The unit will automatically turn off once the set time expires.

Image: Illustration of the auto shut-off and customizable timer features.
Care and Maintenance
- Cleaning: The conductive glass surface is waterproof for easy cleaning. Unplug the unit and allow it to cool completely before wiping with a damp cloth. Do not use abrasive cleaners or immerse the unit in water.
- Storage: Store the mug warmer in a cool, dry place when not in use.
- General Care: Avoid dropping the unit or subjecting it to strong impacts.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit does not turn on. | Not plugged in; power outlet issue; damaged cord. | Ensure power cord is securely plugged in. Test the outlet with another device. Inspect the cord for damage. |
| Beverage is not warm enough. | Incorrect temperature setting; mug material not suitable; mug bottom not flat. | Increase temperature setting. Use mugs with flat bottoms made of ceramic, glass, or stainless steel for best results. |
| Unit automatically shuts off too soon. | Timer set too short. | Adjust the timer setting to a longer duration (up to 12 hours). |
Specifications
| Brand | SWEETFULL |
| Model Number | DS1287 |
| Power Source | AC |
| Voltage | 120 Volts |
| Wattage | 36 watts |
| Product Dimensions | 2.32"L x 2.32"W x 1.2"H |
| Item Weight | 13 ounces |
| Heating Panel Diameter | 5.2 inches |
| Temperature Settings | 130°F, 150°F, 176°F |
| Auto Shut-Off Timer | 2-12 hours (default 4 hours) |
| Material | Acrylonitrile Butadiene Styrene (ABS) |
| Certifications | UL, CE, FCC |
Warranty and Support
For warranty information or technical support, please contact SWEETFULL customer service through their official website or the retailer where the product was purchased. Please refer to your purchase receipt for proof of purchase.
This product is backed by SWEETFULL's official store and holds UL, CE, and FCC safety certifications.


