1. Introduction
Thank you for choosing the VOBAGA Mug Warmer. This device is designed to keep your beverages, such as coffee, tea, milk, or cocoa, at your preferred warm temperature for extended periods. It features multiple temperature settings and an automatic shut-off function for convenience and safety. Please read this manual thoroughly before use to ensure proper operation and to maximize the lifespan of your product.

Image 1: The VOBAGA Mug Warmer, a compact black device designed to keep beverages warm.
2. Safety Instructions
- CAUTION: HOT SURFACE. The heating plate becomes hot during operation. Avoid direct contact with the heating surface to prevent burns.
- Always ensure the device is placed on a stable, flat, and heat-resistant surface.
- Do not immerse the device in water or any other liquid. The spill-proof design helps prevent damage from minor spills, but it is not waterproof for immersion.
- Use only mugs with a thin, flat, or slightly concave bottom for optimal heat transfer. Double-layer insulation cups are not recommended as they hinder effective warming.
- Do not cover the heating plate or block the ventilation vents on the bottom of the device.
- Unplug the device when not in use and allow it to cool completely before cleaning or storing.
- Keep out of reach of children and pets.
- The device is designed for warming beverages, not for cooking or boiling liquids.
- Do not use the device if the power cord or plug is damaged.
3. Product Overview
The VOBAGA Mug Warmer is a sleek and compact device with intuitive controls. It features a heating plate, a power button, and a temperature setting button.

Image 2: A diagram illustrating the dimensions of the VOBAGA Mug Warmer, measuring 5.51 x 5.51 x 0.79 inches, with a 59-inch power cord.

Image 3: A detailed view of the mug warmer's control panel, highlighting the ON/OFF button and the temperature selection button, along with a caution for the hot surface.
4. Setup
- Unpack the VOBAGA Mug Warmer from its packaging.
- Place the device on a flat, stable, and heat-resistant surface, such as a desk or table.
- Plug the 60-inch UL power cord into a standard 120V electrical outlet.
5. Operating Instructions
Power On/Off
- To turn on the device, gently touch the power button (marked with 'I'). The indicator light will illuminate.
- To turn off the device, touch the power button again.
Temperature Settings
The VOBAGA Mug Warmer offers three temperature settings to suit your preference:
- Red Light: High temperature, approximately 149°F (65°C).
- Purple Light: Medium temperature, approximately 131°F (55°C).
- Blue Light: Low temperature, approximately 104°F (40°C).
To cycle through the temperature settings, touch the 'Temp Button' (marked with three wavy lines). Each touch will change the color of the indicator light, corresponding to a different temperature level.

Image 4: Visual guide to the three temperature settings and their corresponding indicator light colors.
Automatic Shut-Off and Residual Heat Reminder
- The mug warmer is equipped with an automatic shut-off function that activates after 4 hours of continuous operation. This enhances safety and conserves energy.
- After the device automatically shuts off or is manually turned off, the blue indicator light will flash for a period. This serves as a reminder that the heating plate is still hot and will continue to flash until the temperature drops below 97°F (36°C).

Image 5: Illustration of the 4-hour automatic shut-off feature, indicating the device will power down after this duration.
Video Demonstration: Product Overview and Operation
Video 1: This video provides a quick overview of the VOBAGA Mug Warmer, demonstrating its compact design and ease of use for keeping beverages warm.
Video Demonstration: Auto Shut-Off Feature
Video 2: This video demonstrates the automatic 4-hour shut-off feature of the VOBAGA Coffee Cup Warmer, highlighting its safety and convenience for office use.
6. Compatible Mugs
For best results, use mugs that allow for efficient heat transfer. The VOBAGA Mug Warmer is compatible with a variety of materials:
- Recommended: Thin-walled, flat, or slightly concave-bottomed mugs made of tableware, stainless steel, ceramic, or glass. This includes milk boxes and even candles.
- Not Recommended: Double-layer insulation cups, vacuum cups, bagged drinks, or plastic cups. These materials or designs prevent effective heat transfer and may not warm your beverage adequately.

Image 6: A visual guide indicating which types of mugs are suitable (flat-bottomed glass, box-packed, feeding bottle, stainless steel) and which are not (vacuum cup, double glass, bagged drinks, plastic cup) for the mug warmer.

Image 7: The VOBAGA Mug Warmer keeping various beverages, including coffee, hot chocolate, milk, and tea, warm.
7. Maintenance and Care
- Cleaning: The spill-proof design makes cleaning simple. Ensure the device is unplugged and completely cool before cleaning. Wipe the heating plate and exterior with a soft, damp cloth. Do not use abrasive cleaners or immerse the device in water.
- Storage: Store the mug warmer in a cool, dry place when not in use.
- General Care: Avoid dropping the device or subjecting it to strong impacts.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not turn on. | Not plugged in correctly or power outlet issue. | Ensure the power cord is securely plugged into a working 120V outlet. Test the outlet with another device. |
| Beverage is not warming effectively. | Incompatible mug type or incorrect temperature setting. | Use a thin-walled, flat-bottomed mug. Avoid insulated mugs. Check that the desired temperature setting (red, purple, or blue light) is selected. |
| Device automatically shuts off. | Normal operation of the 4-hour auto shut-off feature. | This is a safety feature. If you wish to continue warming, simply turn the device back on. |
| Blue light is flashing after shut-off. | Residual heat reminder. | This indicates the heating plate is still hot. Do not touch the surface until the light stops flashing. |
9. Specifications
| Feature | Detail |
|---|---|
| Brand | VOBAGA |
| Model Number | VOB-10-1 |
| Item Weight | 8.8 ounces (0.55 Pounds) |
| Product Dimensions | 5.51 x 5.51 x 0.79 inches (5.3"L x 4.5"W x 0.9"H) |
| Voltage | 120 Volts |
| Wattage | 20 watts |
| Maximum Temperature | 149 Degrees Fahrenheit |
| Material | Acrylonitrile Butadiene Styrene (ABS) |
| Auto Shut-Off | After 4 hours |
10. Warranty and Support
For warranty information, technical support, or any questions regarding your VOBAGA Mug Warmer, please refer to the contact information provided with your purchase or visit the official VOBAGA website. Our customer service team is available to assist you with any concerns.