DREO Smart Humidifier, 4 L Top-Fill Ultrasonic

The DREO Smart Humidifier is a 4 L top-fill ultrasonic model with app, touch and voice controls. Its listed 300-square-foot coverage and smart features suit bedroom or single-room use, while advertised runtime claims differ and should be treated as conditional.

At a glance

Top-fill design and a 4 L tank are intended to reduce the need for frequent refills.
App, touch and voice controls are listed, along with a digital display and timer.
The listing advertises 28 dB operation and 36 hours of runtime, but other listed details give a different runtime.

Price

$62.99Save 21%

Reference price: ~~$79.99~~

Price checked: Nov 13, 2026

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Often bought together

DREO Smart Humidifiers for Bedroom 4L Top Fill Wide Mist Outlet 36H Lasting | Quiet Cool Mist Humidifier for bedroom, Touch/A

$110.49

Pros and cons

Pros

Top filling avoids turning over the tank to refill it, according to the product description.
App and voice control provide alternatives to on-device touch control.
The listing describes a removable modular design intended to make cleaning easier.

Technical specifications

17 specifications

Identity and capacity
Brand	DREO
Model	Dreo Humidifier
Model number	DR-HHM001S Black
Tank capacity	4 liters
Operation mode	Ultrasonic
Colour	Black
Listed coverage	300 square_feet

Controls and power
Control methods listed	App, Touch, Voice
Voltage	120 volts
Wattage	25 watts
Power source	ac
Filter type	Demineralization Cartridge

Dimensions and installation
Dimensions listed	31.5D x 18W x 31.5H centimetres
Weight listed	1.42 kg
Shape	Rectangular

Materials and runtime
Material type	BPA-Free, Plastic, Suitable for Baby
Runtime listed in specifications	32 hours

What to know before buying

Listing details to confirm

Runtime and capacity-related claims are inconsistent: the title and feature copy say 36 hours, while the technical details list 32 hours. Treat runtime as condition-dependent rather than a guaranteed duration. The product copy also claims 300-square-foot coverage and 28 dB operation, which are manufacturer claims, not independently verified measurements. A compatible DREO demineralization cartridge is described as not included. The listing says it can reduce limescale, while also describing filtered water as preventing limescale and white dust. Check cartridge needs and water guidance before use.

What’s in the box

Included

Aroma pad
Cleaning brush
Humidifier body
User manual

Who is it for?

A good fit for

Bedroom or other single-room buyers looking for a top-fill 4 L ultrasonic humidifier.
People who want app, touch or voice controls and a timer.
Buyers who prefer refill access from the top and a modular design described as removable for cleaning.

Less suited to

Buyers who need one confirmed runtime figure before choosing. The listing gives both 32 and 36 hours.
Those seeking a humidifier with a demineralization cartridge included in the stated package.

DREO Smart Humidifier, 4 L Top-Fill Ultrasonic · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.4 / 5 · 17,649 ratings

5 stars73%73%
4 stars11%11%
3 stars6%6%
2 stars3%3%
1 star7%7%

Customer feedback reports quiet operation, effective humidity control, ease of cleaning and satisfactory mist output. These impressions may matter for bedroom use and routine upkeep, but they are customer perceptions rather than confirmed performance figures. Feedback is mixed on auto shut-off, so buyers who rely on that behaviour may want to consider this uncertainty. The aggregate ratings are mostly five-star but also include a smaller spread of lower ratings, which does not identify specific causes.