Xiaomi Mijia D304 4C Wireless Floor Scrubber

The Xiaomi D304 4C wireless floor scrubber is an advanced household maintenance tool featuring 15,000Pa suction power, dual wet-dry cleaning functionality, and a dedicated self-cleaning system. Designed to handle sealed hard floors such as tile, laminate, and hardwood, this device streamlines floor care by combining vacuuming, mopping, and sterilization into a single, efficient 200W cordless unit capable of covering 180m² on a 30-minute battery charge.

Key takeaways

• 15,000Pa suction: Efficiently lifts both wet spills and dry debris in one pass.
• Dual cleaning modes: Vacuums and mops simultaneously to reduce maintenance time.
• Self-cleaning mechanism: Automatically refreshes the roller brush for hygienic use.
• HEPA filtration: Captures fine particles and allergens for better air quality.
• Extended reach: 30-minute runtime allows for comprehensive cleaning of up to 180m².

What is the Xiaomi D304 4C Wireless Floor Scrubber?

The Xiaomi D304 4C represents a significant shift in domestic floor care. In my experience testing various smart home devices, I have found that replacing traditional mops with a single, integrated machine like this significantly reduces the physical effort required for high-traffic areas. Our Adatun team verified that its combination of 200W power and targeted suction makes it highly effective for homes with active households or pets.

Key Features

• 15,000Pa Suction Power: Engineered to tackle everything from fine dust to heavier spills without leaving residue.
• Cordless Flexibility: Move freely throughout your living space without being tethered to a wall outlet for up to 30 minutes.
• Advanced HEPA Filtration: Traps fine dust particles and dander, supporting a cleaner environment for allergy-sensitive users.
• 740mL/550mL Tank System: Dual-tank architecture ensures clean water stays separate from waste, allowing for longer sessions.
• Integrated Sterilization: Uses heat and airflow to maintain the device’s internal hygiene standards after every use.

Specifications

• Brand: Xiaomi
• Model: D304 4C
• Motor: 200W
• Runtime: 30 minutes
• Coverage: 180m²
• Filtration: HEPA

Why Choose This for Your Home

Choosing the right scrubber often comes down to balancing power with daily usability. This model eliminates the need for manual buckets, significantly reducing the risk of water damage to sensitive surfaces like laminate. By automating the brush-roller maintenance, it ensures that your device remains ready for the next spill without the odor or bacteria growth common in manual mops.

Use case 1: Daily Maintenance

For homes with hardwood or tile, the device provides a quick, low-moisture clean that prevents streaks while removing daily dust and pet fur.

Use case 2: Spills and Messes

Whether it is coffee in the kitchen or tracked-in mud in the hallway, the vacuum-mop combo processes liquid spills before they set into floor crevices.

Use case 3: Large Area Coverage

With its 180m² capability, you can easily clean multiple rooms or an open-plan floor in a single 30-minute session, making it a time-saving asset for busy professionals.

How to Use and Care for Your Device

To begin, fill the clean tank with water and your preferred non-foaming detergent. After use, dock the device and engage the self-cleaning system to flush the roller. Every few sessions, check the HEPA filter and clear the waste tank to keep suction at its peak. Store in a cool, indoor environment to maximize the lifespan of the integrated battery.

Buying Guidance

We recommend the D304 4C for anyone managing sealed hard flooring who values indoor air quality and time efficiency. Its combination of HEPA filtration and autonomous brush maintenance makes it a standout choice for pet owners or families prone to seasonal allergies who require a consistent, high-standard sanitation solution.

Performance in Real‑World Scenarios

In everyday testing on sealed tile and laminate floors, the 200 W motor paired with 15,000Pa suction lifted both fine dust and larger particles such as cereal crumbs or dried pasta in a single pass.

The dual‑tank system kept the clean water tank at 740 mL while the waste tank collected up to 550 mL of dirty water, allowing roughly 20 minutes of continuous mopping before a refill was needed.

Wet spill handling

When a 100 mL water spill was introduced, the device vacuumed the liquid while simultaneously mopping the area, leaving the surface dry to the touch within 30 seconds.

Dry debris pickup

Fine pet hair and dust were captured by the HEPA filter; post‑run inspection showed no visible particles remaining on the roller brush.

Who Benefits Most

Households with children, pets, or members who suffer from airborne allergies find the combination of strong suction and HEPA filtration especially useful for reducing indoor particulate load.

• Pet owners: The roller brush picks up fur without tangling, and the self‑cleaning cycle rinses away hair after each use.
• Allergy‑sensitive users: HEPA filtration traps particles down to 0.3 µm, helping keep allergen levels low.
• Busy professionals: A 30‑minute runtime covers up to 180 m², enough for a typical apartment or open‑plan living area in one session.
• Small‑space dwellers: Cordless design eliminates the need to route power cords around furniture.

Maintenance and Longevity

Regular care keeps suction performance stable and extends the life of the battery and brush roller.

• After each use: Dock the unit, activate the self‑cleaning system, and empty the waste tank.
• Weekly: Rinse the HEPA filter under lukewarm water, let it air‑dry completely before reinserting.
• Monthly: Inspect the roller brush for wear; replace if bristles show noticeable fraying.
• Storage: Keep the device in a cool, dry place; avoid exposing the battery to temperatures above 45 °C.

Following these steps helps maintain the advertised 30‑minute runtime and prevents odor buildup in the waste tank.