How long does it run on one fill?

The maker gives no tank size or run time, and the 10.88 oz weight suggests a small reservoir. Expect short sessions of a few hours at most and plan to refill often.

Can it humidify a bedroom?

No. It is a personal desktop unit with no stated coverage area. It adds a little moisture right next to you, not across a room.

Does it need water and oil separately?

It works as a 2-in-1 unit: plain water for mist, or water with a few drops of fragrance oil for aroma. Use only water-soluble diffuser oil, since thick oils can clog the atomizer.

Can I power it from a laptop or power bank?

Yes. It runs on USB 5V, so a laptop port, power bank or standard USB wall adapter all work. A weak port may reduce mist output.

Does it shut off when the water runs out?

The listed features do not mention auto shutoff. Treat it as a manual unit and switch it off when the tank runs dry.

What comes in the box?

The listing describes a single bar-perforated humidifier unit. No oil, measuring cup or spare parts are listed, so check the box contents before buying.

Zznnkj USB Hollow Aroma Diffuser Humidifier

Best price now

$13.99at WalmartChecked Nov 10

Prices are checked against each store and labelled with when.

Visit Walmart

Zznnkj USB Hollow Aroma Diffuser Humidifier

Best price now

$13.99at WalmartChecked Nov 10

Prices are checked against each store and labelled with when.

Visit Walmart

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Price facts

Last seen at $13.99 at Walmart on Nov 10.

Our take on the Zznnkj USB Hollow Aroma Diffuser Humidifier

The Zznnkj USB Hollow Aroma Diffuser is a small 5V USB-powered desktop unit that doubles as a humidifier and an oil diffuser. Its hollow, perforated body is meant as decor for a desk or nightstand, and it uses ultrasonic atomization to put out a quiet, fine mist. It suits one person at a close distance, not a whole room: the maker lists no coverage area, and the 10.88 oz weight points to a tiny tank. Against mainstream diffusers it is simpler and more decorative, with no timer, no app and no large tank, so expect short sessions and frequent refills.

Best forDesk and nightstand decorOne-person close-range mistingLight scent in a small office cubicleBuyers who want a USB-powered, quiet unit

Pros

USB 5V power works from a laptop, power bank or wall adapter
Ultrasonic atomization gives a fine, quiet mist
Doubles as a humidifier and an aroma oil diffuser
Hollow perforated shell looks like decor, not an appliance
Compact enough for a desk, shelf or nightstand

Cons

No stated coverage area, so room-scale humidifying is unrealistic
Small tank means short run times and frequent refills
No timer, auto shutoff or mist-level control mentioned
USB power limits output compared with plug-in diffusers
Little independent testing or owner feedback available

Zznnkj USB Hollow Aroma Diffuser Humidifier prices at every store

WalmartNew
In stockSold by Seller
$13.99Checked Nov 10
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Zznnkj USB Hollow Aroma Diffuser Humidifier price history

Lowest price we've seen: $13.99 on Nov 10 at Walmart. Tracked across 1 store since Nov 10.

About the Zznnkj USB Hollow Aroma Diffuser Humidifier

This is a USB-powered aroma diffuser and humidifier with a hollow, decorative design. It works as both a humidifier and an oil diffuser, and it can also serve as desktop decoration at home or in the office.

It uses atomization technology to produce a fine, quiet mist. It runs on 5V through a USB connection and has low noise and low power use, which suits long-term daily use.

The unit is compact and fits on a desk, nightstand or other small indoor space. It is intended for bedrooms, offices and other indoor areas.

Power: USB, 5V
Function: 2-in-1 aroma diffuser and humidifier
Mist: Fine mist from atomization technology
Weight: 10.88 oz
Design: Hollow, perforated
Use: Indoor use: bedroom, office, desk, nightstand
In the box: 1 perforated humidifier

Specifications

Weight: 10.88 oz weight
Coverage Area: 0 sq ft coverage

Questions and answers

How long does it run on one fill?: The maker gives no tank size or run time, and the 10.88 oz weight suggests a small reservoir. Expect short sessions of a few hours at most and plan to refill often.
Can it humidify a bedroom?: No. It is a personal desktop unit with no stated coverage area. It adds a little moisture right next to you, not across a room.
Does it need water and oil separately?: It works as a 2-in-1 unit: plain water for mist, or water with a few drops of fragrance oil for aroma. Use only water-soluble diffuser oil, since thick oils can clog the atomizer.
Can I power it from a laptop or power bank?: Yes. It runs on USB 5V, so a laptop port, power bank or standard USB wall adapter all work. A weak port may reduce mist output.
Does it shut off when the water runs out?: The listed features do not mention auto shutoff. Treat it as a manual unit and switch it off when the tank runs dry.
What comes in the box?: The listing describes a single bar-perforated humidifier unit. No oil, measuring cup or spare parts are listed, so check the box contents before buying.
Where is the Zznnkj USB Hollow Aroma Diffuser Humidifier cheapest?: At Walmart, for $13.99, as of our latest check.

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Stores we've priced the Zznnkj USB Hollow Aroma Diffuser Humidifier at

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