4L USB Cool-Mist Humidifier with Aroma Function | Home & Car

4L Cool-Mist USB Humidifier with Aroma Diffuser Function

Transform any room into a comfortable, moisture-balanced sanctuary with this whisper-quiet 4L Cool-Mist USB Humidifier. Whether you're at home, in the office, or on the road, this compact powerhouse delivers steady, refreshing mist to keep the air around you feeling fresh and balanced. Its built-in aroma diffuser function lets you add your favourite essential oils for an elevated sensory experience.

Why You'll Love It

• Large 4L Water Tank – Fewer refills, longer runtime. Perfect for bedrooms, living rooms, hotels, and commercial spaces.
• Ultra-Quiet Operation (<36 dB) – Runs silently so it never disturbs your sleep, work, or relaxation.
• USB Powered (5V) – Simply plug in via USB — ideal for use with a laptop, power bank, wall adapter, or in-car charger.
• Cool-Mist Impeller Technology – Delivers a consistent, even mist output of 220 mL/hr for effective room humidification.
• Aroma Diffuser Ready – Add a few drops of your favourite essential oil to enjoy a calming, fragrant atmosphere. Pairs beautifully with lavender, eucalyptus, or peppermint oils.
• Humidistat Control – Automatically maintains your preferred humidity level for optimal comfort.
• Portable & Tabletop Design – Compact size (180 × 318 mm, 1.4 kg) fits neatly on desks, nightstands, or car seats.
• Energy Efficient – Operates at just 1W for eco-friendly, cost-conscious performance.
• 1-Year Manufacturer Warranty – Includes free spare parts for complete peace of mind.
• Made in China (Zhejiang)

Key Specifications

Perfect For

• Bedrooms, living rooms & home offices
• Hotel rooms & commercial spaces
• Car interiors (via USB power)
• Aromatherapy & wellness routines — explore our Ancient Nutrition Multi Collagen Advanced Muscle 60 Capsules for a complete wellness setup

Looking for more home comfort essentials? Browse our full range including the Women's Oversized Turtleneck Cashmere Sweater – Winter Pullover to stay cozy all season long.

Learn more: NIH on aromatherapy and essential oils

Frequently Asked Questions

Q: Can I use essential oils directly in this USB humidifier's water tank?

A: This cool-mist USB humidifier features a dedicated aroma diffuser function. It is recommended to add essential oils only to the designated aroma tray or pad (if included), rather than directly into the main water tank, to protect the internal components and ensure long-lasting performance.

Q: How long will the 4L water tank last on a single fill?

A: With a mist output of approximately 220 mL per hour, a full 4L tank can run continuously for roughly 18 hours, making it ideal for overnight use or all-day comfort in your home, office, or hotel room.

Q: Is this humidifier suitable for use in a car?

A: Yes! The humidifier operates on a standard 5V USB connection, which means you can power it from your car's USB port or a USB car charger adapter. Its portable, tabletop design makes it easy to place in your vehicle without taking up too much space.

Q: Does this humidifier work automatically to maintain humidity levels?

A: Yes, the built-in humidistat monitors ambient humidity and adjusts the mist output accordingly, helping to maintain your preferred comfort level without constant manual adjustment.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.