How is a waterless diffuser different from a regular one?

It atomizes pure oil directly instead of mixing oil with water. You skip filling and rinsing a tank, and the scent is more concentrated, but oil is used up faster.

How long does the 45 ml oil bottle last?

It depends on the gear you pick. The 5-second spray with a 15-minute pause is the lightest setting and stretches the bottle longest; the 5-minute pause setting uses the most oil.

What do the three timer settings do?

Each sprays for 5 seconds, then pauses. Gear one pauses 15 minutes, gear two pauses 8 minutes and gear three pauses 5 minutes, so you choose how strong the scent stays.

Can I use any essential oil?

It is built for pure fragrance or essential oils in the included bottle. Thick or resinous oils can clog the nozzle, so clean the nozzle and bottle area when you change oils.

Does it need to be plugged in to run?

It is USB powered, so it runs from a USB adapter, power bank or computer port. Keep it upright while running and when you move it.

How much space does it scent?

Vertical atomization spreads fragrance in the immediate area around the unit. It works best in a bedroom, office or entryway rather than a large open room.

Where is the Ohmyroo Waterless Aroma Diffuser cheapest?

At Walmart, for $16.01, as of our latest check.

What do buyers say about the Ohmyroo Waterless Aroma Diffuser?

Rated 3 out of 5 from 4 ratings.

Ohmyroo Waterless Aroma Diffuser

Best price now

$16.01at WalmartChecked 12 h ago

Prices are checked against each store and labelled with when.

Visit Walmart

Ohmyroo Waterless Aroma Diffuser

Best price now

$16.01at WalmartChecked 12 h ago

Prices are checked against each store and labelled with when.

Visit Walmart

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Price facts

Last seen at $16.01 at Walmart on Nov 14.

Our take on the Ohmyroo Waterless Aroma Diffuser

The Ohmyroo is a waterless aroma diffuser that atomizes pure essential oil straight from a 45 ml bottle, so there is no water tank to fill or refill. It runs on USB power and offers three timed spray cycles: 5 seconds on with 15, 8 or 5 minutes off. A removable core and side door make oil changes and nozzle cleaning easier. It suits small to mid-size rooms, desks and entryways where you want steady background scent without a water-and-oil routine. Against water-based diffusers it is simpler to maintain and delivers a more concentrated scent, but it uses oil faster and covers less area than a large ultrasonic unit.

Best forBedrooms and offices where you want scent without a water tankPeople who switch oils often and want quick changesSmall rooms, entryways and store countersAnyone who dislikes cleaning water diffusers

Pros

No water needed, so no tank to fill or rinse
Three timed spray intervals for light or stronger scent
Removable core and side door simplify oil changes
USB powered, so it works from a laptop, bank or wall adapter
Compact footprint for desks and shelves

Cons

Uses undiluted oil, so a bottle runs out faster than in water diffusers
Scent throw is limited to nearby areas, not whole large rooms
Needs nozzle and bottle-area cleaning when switching oils
Must stay upright; tipping can spill oil

Ohmyroo Waterless Aroma Diffuser prices at every store

WalmartNew
In stockSold by OhmyrooReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.
$16.01Free shippingChecked 12 h ago
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About the Ohmyroo Waterless Aroma Diffuser

This is a portable waterless aroma diffuser. It is a USB-powered fragrance machine for indoor spaces such as bedrooms, offices, stores, hotels and large rooms. The set includes one aromatherapy machine and one 45 ml oil bottle.

It uses vertical atomization to spread fragrance in nearby areas without adding water. Three timed settings control the spray interval. In each, the diffuser sprays for 5 seconds and then pauses for 15 minutes (first gear), 8 minutes (second gear) or 5 minutes (third gear).

The core and bottle are removable, which helps when changing oil. A side door makes maintenance easier. Keep the diffuser upright, and clean the nozzle and bottle area when changing oil.

Type: Waterless aroma diffuser
Color: Gray
Power: USB; charge or connect as directed
Oil bottle: 45 ml (about 1.52 fl oz)
Timer settings: 3 gears: 5-second spray, then a 15-minute (1st), 8-minute (2nd) or 5-minute (3rd) pause
Atomization: Vertical, no water needed
Maintenance: Removable core and bottle; side door access
In the box: 1 aromatherapy machine, 1 oil bottle (45 ml)

Specifications

color: GraySource
actual_color: GraySource

Questions and answers

How is a waterless diffuser different from a regular one?: It atomizes pure oil directly instead of mixing oil with water. You skip filling and rinsing a tank, and the scent is more concentrated, but oil is used up faster.
How long does the 45 ml oil bottle last?: It depends on the gear you pick. The 5-second spray with a 15-minute pause is the lightest setting and stretches the bottle longest; the 5-minute pause setting uses the most oil.
What do the three timer settings do?: Each sprays for 5 seconds, then pauses. Gear one pauses 15 minutes, gear two pauses 8 minutes and gear three pauses 5 minutes, so you choose how strong the scent stays.
Can I use any essential oil?: It is built for pure fragrance or essential oils in the included bottle. Thick or resinous oils can clog the nozzle, so clean the nozzle and bottle area when you change oils.
Does it need to be plugged in to run?: It is USB powered, so it runs from a USB adapter, power bank or computer port. Keep it upright while running and when you move it.
How much space does it scent?: Vertical atomization spreads fragrance in the immediate area around the unit. It works best in a bedroom, office or entryway rather than a large open room.
Where is the Ohmyroo Waterless Aroma Diffuser cheapest?: At Walmart, for $16.01, as of our latest check.
What do buyers say about the Ohmyroo Waterless Aroma Diffuser?: Rated 3 out of 5 from 4 ratings.