1. Introduction
This manual provides essential information for the safe and effective use of your Minthouz MT-M302 Mattress Vacuum Cleaner. Please read these instructions thoroughly before operating the device and retain them for future reference. The Minthouz MT-M302 is designed for deep cleaning mattresses, sofas, carpets, and other fabric surfaces, utilizing powerful suction, high-frequency vibration, UV-C light, hot air, and smart dust sensing technology.
2. Important Safety Instructions
WARNING: To reduce the risk of fire, electric shock, or injury, read all instructions before using this appliance.
- Ensure the power supply matches the voltage specified on the appliance.
- Do not operate the vacuum cleaner with a damaged cord or plug. If damaged, contact customer service.
- Keep hair, loose clothing, fingers, and all parts of the body away from openings and moving parts.
- Do not pick up anything that is burning or smoking, such as cigarettes, matches, or hot ashes.
- Do not use to pick up flammable or combustible liquids, such as gasoline, or use in areas where they may be present.
- Do not allow children to operate the vacuum cleaner. Close supervision is necessary when used near children.
- The UV-C lamp is designed with safety features to prevent accidental exposure. Do not attempt to bypass these features. Avoid direct exposure to UV-C light.
- Always unplug the appliance before cleaning or performing maintenance.
- Store the appliance indoors in a cool, dry place.
3. Package Contents
Verify that all items are present in the package:
- Minthouz MT-M302 Mattress Vacuum Cleaner Unit
- Power Cord (attached)
- Sealed Dust Bags (3 included, one pre-installed)
- Instruction Manual
4. Product Overview
The Minthouz MT-M302 is a versatile cleaning device featuring multiple technologies for thorough fabric sanitation.

Figure 1: Main unit of the Minthouz MT-M302 Mattress Vacuum Cleaner.
Key Features:
- Powerful Suction: 450W motor with 15Kpa suction for deep dirt extraction.
- High-Frequency Tapping: 120,000 times per minute vibration to dislodge embedded dust and mites.
- UV-C Sterilization: 253.7nm UV wave for eliminating bacteria and mites.
- Hot Air Dehumidification: 60°C hot air function to dry fabric and inhibit mite growth.
- Smart Dust Sensor: Visual indicator (red/blue light) to show dust levels for optimized cleaning.
- Efficient Filtration System: Three-layer sealed dust bag system to prevent secondary pollution.

Figure 2: Smart Dust Sensor indicating dust levels with color changes (red for more dust, blue for clean).
5. Setup
The Minthouz MT-M302 comes pre-assembled and ready for use after a quick check of the dust bag installation.
- Unpacking: Carefully remove the vacuum cleaner and all accessories from the packaging.
- Dust Bag Installation:
- Locate the dust box at the back of the unit.
- Ensure a sealed dust bag is correctly inserted into the dust box. If not, insert one of the provided bags.
- Close the dust box securely.
- Power Connection: Plug the attached 14.8ft power cord into a suitable electrical outlet.

Figure 3: Illustration of the sealed dust bag design and its placement within the unit.
6. Operating Instructions
The Minthouz MT-M302 is designed for ease of use across various fabric surfaces.
6.1 Powering On/Off
- To turn on the vacuum cleaner, press the power button located on the handle.
- To turn off the vacuum cleaner, press the power button again.
6.2 Cleaning Modes and Functions
The device automatically activates its 6-in-1 functions upon powering on, including:
- Deep Suction: The 15Kpa suction power effectively removes dust, pet hair, and debris.
- High-Frequency Tapping: The 120,000 RPM/Min dual brushroll rotation agitates and loosens embedded particles.
- UV-C Sterilization: The 253.7nm UV wave activates when the unit is in contact with a surface, helping to eliminate mites and bacteria. It automatically deactivates when lifted for safety.
- 60°C Hot Air: This function helps to dehumidify and dry the cleaned surface, creating an unfavorable environment for mites.
- Smart Dust Sensor: Observe the dust sensor light on the unit. It will display red when high levels of dust are detected and turn blue as the area becomes clean. This guides you to focus on dirtier areas.

Figure 4: The vacuum cleaner can be used on mattresses, couches, pet beds, and carpets.
6.3 Recommended Usage
- Move the vacuum cleaner slowly and steadily across the surface to allow all functions to work effectively.
- Pay attention to the smart dust sensor light to ensure thorough cleaning of heavily soiled areas.
- The widened 10-inch suction port allows for efficient cleaning of larger areas.
6.4 Product Demonstration Videos
Video 1: This video demonstrates the features and usage of a similar bed vacuum cleaner with UV-C light, illustrating the cleaning process on a mattress.
Video 2: This video provides an overview of a similar mattress vacuum cleaner, showcasing its cleaning capabilities on various fabric surfaces.
Video 3: This video demonstrates the effective cleaning performance of a mattress vacuum cleaner on fabric surfaces.
Video 4: This video highlights the features and ease of use of a bed vacuum cleaner, providing a concise overview of its functionality.
7. Maintenance
Regular maintenance ensures optimal performance and longevity of your Minthouz MT-M302.
7.1 Emptying and Replacing Dust Bags
- The vacuum cleaner uses 300ml sealed dust bags.
- When the dust bag is full, it should be removed and discarded to prevent clogging and dust leakage.
- To remove: Pull out the dust box from the back of the unit, then pull out the dust bag from the box.
- Replace with a new sealed dust bag. It is recommended to replace the dust bag every 2 months based on usage frequency.
- Minthouz offers free replacement dust bags after 6 months of purchase. Contact customer service for details.

Figure 5: Step-by-step guide for removing and disposing of the sealed dust bag.

Figure 6: The sealed dust bag design prevents secondary pollution compared to traditional dust cups.
7.2 General Cleaning
- Wipe the exterior of the vacuum cleaner with a soft, damp cloth. Do not use abrasive cleaners or solvents.
- Ensure the unit is unplugged and completely dry before storage or next use.
8. Troubleshooting
If you encounter issues with your Minthouz MT-M302, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Vacuum does not turn on. | Not plugged in; power outage; damaged cord/plug. | Check power connection; verify power outlet; contact customer service if cord/plug is damaged. |
| Reduced suction power. | Dust bag is full; filter is clogged. | Replace the sealed dust bag; ensure the filter is clean and properly installed. |
| UV-C light not activating. | Unit not in contact with surface; safety mechanism engaged. | Ensure the vacuum is pressed firmly against the cleaning surface. The UV-C light is designed to only activate when in contact with a surface for safety. |
| Smart dust sensor always red. | Area is heavily soiled; sensor malfunction. | Continue cleaning the area until the light turns blue. If the issue persists across multiple areas, contact customer service. |
9. Specifications
| Feature | Detail |
|---|---|
| Brand | Minthouz |
| Model Name | MT-M302 |
| Wattage | 450 watts |
| Maximum Suction | 15 Kpa |
| Motor Horsepower | 0.59 horsepower |
| Filter Type | HEPA Filter |
| Dust Bag Capacity | 300 Milliliters |
| Power Source | Corded Electric |
| Cord Length | 14.8 feet |
| Product Dimensions | 10"L x 10.35"W x 6.89"H |
| Item Weight | 5.1 pounds |
| Special Features | UV-C Light, Hot Air Dehumidification, Smart Dust Sensor, High-Frequency Tapping |
| Surface Recommendation | Fabric (Mattresses, Sofas, Carpets, Pillows, Quilts) |
10. Warranty & Support
Minthouz offers a 12-month warranty for this product. If you have any questions or require assistance with your Minthouz MT-M302 Mattress Vacuum Cleaner, please contact customer service. For free replacement dust bags after 6 months of purchase, please reach out to our support team.
For further assistance, please visit the official Minthouz Store: Minthouz Store