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Mini USB Air Humidifier & Aroma Diffuser – 420ml

420ml Water Tank · Touch-Sensitive Controls · 5-10 Hours Run Time

(3)
$17.92

This mini USB humidifier and diffuser holds 420ml of water for 5 to 10 hours of cool mist with touch controls and an LED night light.

  • 5-10 Hour Run Time
  • Touch-Sensitive Controls
  • LED Night Light
  • Auto Shut-Off Safety
Color: White and filter

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About: Mini USB Air Humidifier & Aroma Diffuser – 420ml

420ml Water Tank

A 420ml tank is sized for a full work day or an overnight session before it needs a refill.

70ml/h Mist Output

Mist output is rated for personal spaces around 10-20㎡, such as a bedroom, desk, or car interior.

5-10 Hours Run Time

Depending on the mist setting, one fill is designed to run between five and ten hours.

Auto Shut-Off Safety

Smart auto shut-off is built in to help the unit power down safely once water runs low.

Product Details

A desk that dries out under office air conditioning, or a car cabin that could use a little humidity and scent on a long drive — the Mini USB Air Humidifier & Aroma Diffuser is built for spaces like these. Its 420ml tank and USB power make it easy to set up wherever there's a port to plug into.

The housing combines ABS, PP, and silicone components, with touch-sensitive controls that switch between misting modes and LED night light colors. Mist output is rated at around 70ml/h, with a suggested coverage of roughly 10-20㎡, and one fill is built to run for five to ten hours depending on the mode selected.

A few drops of a water-soluble essential oil mixed into the tank is enough to scent the mist, while the LED night light adds a soft glow without needing a separate lamp. Smart auto shut-off is built in, so the unit is designed to power down rather than run indefinitely once the tank runs low.

For a desk or a car interior, this smaller 420ml size is usually enough to last a work shift or a drive without a refill. A household looking to cover a full living room or an open-plan space would likely get more consistent results from a larger-capacity diffuser instead.

USB power is the practical advantage here — it runs from a laptop, car port, or power bank, which makes it as much a travel companion as a desk accessory, and a reasonable small gift for someone who spends long hours at a desk or on the road.

Add a few drops from our essential oil collection to the tank for scented mist on the go.

Why Choose Mini USB Air Humidifier & Aroma Diffuser – 420ml

Beyond a Basic Travel Diffuser. Many travel-sized diffusers hold under 300ml and need refilling every couple of hours. At 420ml, this one is built to run for a longer stretch, whether that's a work shift at a desk or an overnight drive.

USB Power for Any Setup. USB power means it runs from a laptop, a car USB port, or a power bank, rather than being limited to a single wall outlet.

Simple Touch Controls. A single touch-sensitive button handles both mist mode and light color, which keeps day-to-day use simple when adding a few drops from our essential oil collection to the tank.

Built with Silicone Seals. ABS, PP, and silicone components are used together in the housing and seals, aimed at reducing leaks around the tank over regular use.

Mini USB Air Humidifier & Aroma Diffuser – 420ml Benefits

5-10 Hour Run Time. A 420ml tank is built to run for five to ten hours per fill depending on the mist setting, enough to cover a work shift or a full night.

Touch-Sensitive Controls. A single touch button switches between misting modes and light colors, without a row of physical switches to manage.

LED Night Light. A built-in LED night light adds a soft glow for a bedroom or car interior after dark, alongside the mist.

Auto Shut-Off Safety. Smart auto shut-off helps power the unit down once the tank runs low, adding a layer of safety for unattended use.

How to Use Mini USB Air Humidifier & Aroma Diffuser – 420ml

Fill the Tank. Fill the 420ml tank with clean water.

Add Oil. Add a few drops of your chosen essential oil to the water; adjust to taste.

Connect Power. Connect via USB to a laptop, power bank, or car USB port.

Set Mode. Tap the touch button to switch between misting modes and LED light colors.

Empty After Use. Empty any remaining water and wipe the tank dry once finished.

Main Ingredients

What This Is. This is an electric mini humidifier and diffuser, not a consumable, ingestible, or topical product.

Housing. ABS and PP plastic housing with silicone seals around the tank.

Mist Mechanism. Ultrasonic-style misting rated at approximately 70ml/h output.

Power. USB powered; check the connected cable or power source's rated voltage before use.

Oil Compatibility. Use only water-soluble, skin-safe essential or fragrance oils, per the oil manufacturer's own guidance.

Specefications
Color
WhitePinkGray
Energy efficiency class
A++
Evaporation technology
Ultrasonic
Shelf Life & Storage

After Each Use. Empty remaining water and wipe the tank dry to prevent mineral buildup or mold.

Storage. Store in a dry place away from direct moisture, particularly if it travels in a car or bag.

Cord Care. Coil the USB cable loosely for storage rather than wrapping it tightly.

Longevity. With regular cleaning, compact humidifiers like this typically hold up well over repeated use; we don't publish a fixed warranty length for this listing.

Safety Instructions

Water & Electricity. Never submerge the base or USB cable in water.

Placement. Use on a flat, stable surface, including when mounted in a car cup holder or console.

Fill Line. Do not overfill past the 420ml marked line.

Around Children & Pets. Keep out of reach of children and pets during use.

Before Cleaning. Unplug the USB cable before refilling or cleaning the tank.

Oil Use. Use only water-soluble essential oils; do not apply undiluted oil directly to skin.

Caution & Disclaimer

Caution. For external use only. Keep out of reach of children and pets. Avoid contact with eyes, broken skin, and sensitive areas. This is an ambient fragrance diffusion device rather than a skincare or massage product, so it is not intended for direct application to skin.

Disclaimer. Our products are not intended to diagnose, treat, cure, or prevent any disease. Always consult with a healthcare professional before use, especially if pregnant, nursing, or under medical care. Individual results may vary.

Licensing & Trademarks. All brand names, logos, product pictures, and trademarks are the property of their respective owners and are used strictly for identification purposes.

Shipping & Return

We process and ship all orders within 1–2 business days.

Most customers receive their orders within 4–7 business days, depending on location and carrier performance.

Once your order ships, you'll receive a tracking number via email or SMS to follow your delivery in real time.

Delivery times may vary slightly during peak seasons or weather conditions, but we always aim to get your order to you as quickly as possible.

We accept returns and exchanges within 14 days of delivery.

FAQs

Q: What size space does the 420ml tank cover?
A: It's built for personal spaces roughly 10-20㎡, such as a bedroom, desk area, or car interior, rather than a large open room.

Q: How long does one fill last?
A: Depending on the mist setting, a 420ml fill is designed to run for about five to ten hours before it needs a refill.

Q: What oils can I use?
A: Add a few drops of a water-soluble, skin-safe essential oil to the water; avoid thick, undiluted oils.

Q: Can I use it in the car?
A: Yes, it's USB powered and compact enough for a car's USB port or a power bank, in addition to home or office use.

Q: How do I clean and maintain it?
A: Empty and dry the tank after each use to prevent buildup, and store it in a dry place when not in use.

Customer reviews

4.67 (3 reviews)