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Ultrasonic Diffusers
Ultrasonic Diffusers
Regular price
$34.99 USD
Regular price
$50.00 USD
Sale price
$34.99 USD
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The Singhal Heritage House · AtHENS, GA · Ultrasonic Cool Mist Diffuser · 300 ml · 3-in-1
A cool drop of calm - humidifier, aroma diffuser, and night light in one palm-sized piece.
A 300 ml ultrasonic diffuser that breaks water into an ultra-fine, cool micro-mist - no heating element, so no burn risk near a bed, desk, or child. Runs up to 6 hours per fill, scents up to 150 sq ft, whisper-quiet, USB-powered, with an auto shut-off when the water runs out. Comes with three Singhal Heritage House fragrances of your choice.
300 ml tank Up to 6 hrs Cool mist · no heat 3-in-1 USB-powered Auto shut-off Whisper-quiet
Last updated: July 2026
Why People Buy ULTRASONIC DIFFUSER
- Cool mist, no burn risk - an ultrasonic plate, not a heater.
- Three things in one - humidifier, aroma diffuser, and night light.
- Up to 6 hours per fill - from a 300 ml tank.
- Whisper-quiet - gentle enough to sleep or focus beside.
- Palm-sized & USB-simple - plug into a laptop, adapter, or power bank.
- Auto shut-off - powers down safely when the water runs out.
- 3 Heritage House fragrances - included, your choice of scent.
- From a small-batch studio - fragrance by The Singhal Heritage House, Athens.
◆ Why Cool Mist, Not Heat
Ultrasonic diffuser doesn't boil or burn anything. An ultrasonic plate vibrates thousands of times a second, breaking water into an ultra-fine, cool micro-mist that lifts fragrance into the room and adds gentle moisture to dry, air-conditioned air. A heated diffuser cooks the scent and leaves a hot surface near your bed; cool mist stays true and safe to touch.
Heated / steam diffuser
Hot, and hard on scent
- Heating element - a burn risk near a bed or child
- Heat "cooks" and flattens the fragrance
- Often warms the room instead of freshening it
- Can be bulky and mains-only
◆ Boond ultrasonic cool mist
Cool, quiet, and true
- No heating element - cool to the touch, no burn risk
- Keeps the fragrance true and fresh
- Adds cool moisture to dry AC or winter air
- Palm-sized, USB-powered, whisper-quiet
The one rule: use Heritage House fragrance oils only, with clean water (filtered or RO in hard-water areas). Random oils are thicker - they clog the mist plate and can damage the unit.
Best for: Desks Bedsides Small bedrooms Home offices & study Bathrooms Dry AC rooms Winter dryness Travel Gifting
Where THE PRODUCT Fits - Sized for Your Personal Space
Car / tiny vent clip
Pocket-size
Diffuser (up to 150 sq ft)
Desk · single room
Large living room
Big & open
Whole-home humidifier
Largest
Made for the space you actually sit in. Boond is calibrated for personal spaces - a bedside, a desk, a small bedroom, bathroom, or home office up to about 150 sq ft. It gives a soft, room-sized mist and scent, not the output of a big hall humidifier. For a large open living room, reach for a bigger unit.
◆ From The Singhal Heritage House · Made To Live With
Fragrance from a small-batch studio - the scents inside are made by The Singhal Heritage House in Athens, Georgia, rooted in India's scent heritage.
Cool moisture for dry air - adds gentle humidity to air-conditioned rooms in summer and dry winter air.
Hard-water friendly guidance - use filtered or RO water in hard-water areas to avoid a fine mineral "white dust".
USB-powered, go-anywhere - runs off a laptop, phone adapter, or power bank; easy to travel with.
Sized for real life - a palm-sized piece for a desk, a nightstand, a bathroom shelf, or a study.
A gift that carries a story - real fragrance heritage means something a supermarket plug-in never will.
At a Glance
FormatUltrasonic cool-mist diffuser (3-in-1)
Tank300 ml
RuntimeUp to 6 hours per fill
CoverageUp to 150 sq ft
MistCool ultrasonic - no heat
PowerUSB (corded, low-watt)
LightSoft colour night light
Size7.5 × 7.5 × 11.5 cm · ~300 g
The 10-Second Decision · Should You Buy This?
✓ Choose this if...
→You want a humidifier, diffuser, and night light in one.
→It's for a desk, bedside, bathroom, or small room.
→You want cool mist with no burn risk near a bed or child.
→You want it whisper-quiet for sleep or focus.
→You'd love real fragrance at home, not a chemical spray.
✗ Maybe not, if...
→You need to humidify a large open hall (choose a bigger unit).
→You won't use Heritage House oils only (random oils clog it).
→You need a cordless / battery unit - this is USB corded.
→You want a heated steam vaporiser - this is cool mist.
→You want a flame candle instead of a mist.
$34 · 300 ml · 3-in-1
Free shipping over $50
The value: one palm-sized piece does three jobs - humidifier, diffuser, and night light - and ships with three Singhal Heritage House fragrances of your choice. One thoughtful buy that freshens the air, adds moisture, and glows softly at night.
◆ Cool Mist · No Heat ✓ Fragrance from AtHENS, GA ✓ 3 Fragrances Included
What Your Space Will Feel Like
Bedside · Night
Soft glow, softer sleep.
- Whisper-quiet mist beside the bed
- A gentle colour night light
- Auto shut-off - light it and let go
Desk · Work
A calmer place to focus.
- Cool moisture in a dry AC office
- A clean, grounding scent to reset
- Runs off your laptop's USB
Dry AC / Winter Room
Air that doesn't feel parched.
- Adds gentle humidity to dry air
- Kinder on skin, throat, and eyes
- Cool mist - safe to leave running
Gifting
The easy, thoughtful yes.
- Three-in-one, with fragrances included
- Handsome in blush, white, or navy
- A little piece of scent heritage
◆ OUR ULTRSONIC DIFFUSER
One cool drop, lifted into a fine mist that carries calm and fragrance through a small space.
Product
"A drop." The cool micro-droplet at the heart of the mist - water, broken fine enough to float.
150 sq ft
Personal by design. Sized for a single room, desk, or bedside - the spaces you actually live in.
No heat
Cool to the touch. An ultrasonic plate, not a flame or a heater - safe to leave running.
Device is imported; see product notes.
Why We Made It
"We wanted the quiet luxury of a calm, well-scented room - that clean feeling and soft light - shrunk down to something you could keep on a desk or a bedside. No flame, no heat, no fuss. Just a cool drop of water lifted into mist, carrying a fragrance we made ourselves, rooted in the scents we grew up with. Small enough for a shelf, kind enough to leave running while you sleep."
- The Singhal Heritage House
IT Is Built To Fix:
Diffusers that heat the scent - a hot element cooks fragrance and warms the room. Boond's cool mist keeps the scent true.
Burn risk near a bed or child - steam and hot surfaces don't belong on a nightstand. There's no heating element here.
Noisy units that ruin sleep - fans and bubbling keep you up. Boond is whisper-quiet.
Dry, air-conditioned air - AC and winter strip moisture from the room. Cool mist adds it back gently.
Clogged mist plates - thick random oils choke the ultrasonic plate. Heritage House oils are made to run clean.
Cheap chemical plug-ins - a flat synthetic spray. This carries real fragrance, softly, through the air.
OUR DIFFUSER vs a Typical Heated / Cheap Diffuser
| Feature | Singhal Boond | Typical Heated / Cheap Diffuser |
|---|---|---|
| Mist | Cool ultrasonic micro-mist | Heated steam (hot) |
| Burn risk | None - no heating element | Hot surface / steam |
| Noise | Whisper-quiet | Fan hum or bubbling |
| What it does | 3-in-1: humidifier, diffuser, light | Usually one job |
| Power | USB - laptop, adapter, power bank | Often bulky, mains-only |
| Fragrance | 3 Heritage House scents included | None included |
| Auto shut-off | Yes - when water runs out | Not always |
| Size | Palm-sized (7.5 × 11.5 cm) | Often bulky |
| Made | Fragrance from Athens, GA | Generic mass-market |
Most desk diffusers ask you to choose - humidify, or scent, or a night light. Boond quietly does all three, cool to the touch.
How it Works · Inside the Mist
◆ The Cool-Mist System
There's no boiling and no burning. Boond turns water into scent-carrying mist with vibration, not heat - which is what keeps it cool, quiet, and safe to leave running.
| Ultrasonic plate | Vibrates thousands of times a second, breaking water into an ultra-fine, cool micro-mist |
| Cool mist | No heating element - nothing boils, so the mist is cool to the touch and there's no burn risk |
| Tank & runtime | 300 ml holds up to about 6 hours of continuous mist per fill |
| Auto shut-off | Powers the unit down safely the moment the water runs out |
| Night light | A soft colour glow under the mist - gentle enough for a bedside |
| Power | USB, low-wattage, cable included - runs off a laptop, adapter, or power bank |
Keep it running clean: use clean, room-temperature water (filtered or RO in hard-water areas), add Heritage House fragrance oils only, and rinse the tank regularly. Coverage and runtime are typical figures and vary with room, airflow, and fill level.
Why Most Cheap Diffusers Disappoint
If your last desk diffuser felt warm, buzzed all night, or died in a week, it usually comes down to four things - and none of them are the water's fault.
The 4 reasons cheap diffusers fall flat
01
Heat that cooks the scent
A heating element warms the room and flattens the fragrance, and leaves a hot surface you can't put near a bed or a child. Cool mist keeps the scent true and safe.
02
A fan or bubble that wrecks sleep
Cheap units hum, rattle, or gurgle all night. Boond's ultrasonic mist is whisper-quiet - you'll forget it's on.
03
Random oils that clog the plate
Thick essential or carrier oils choke the ultrasonic plate and shorten the unit's life. Heritage House oils are made to atomise cleanly and keep the mist fine.
04
No safety, and mineral dust
No auto shut-off means a unit that runs dry and dies; hard tap water leaves a fine white dust. Boond shuts off when empty - use filtered or RO water to stay dust-free.
What's In The Box
The DiffuserOne ultrasonic cool-mist diffuser - 300 ml, 3-in-1 (humidifier, aroma diffuser, soft night light).
3 Heritage House FragrancesThree Singhal Heritage House fragrance oils - your choice of scent (see options below). Use Heritage House oils only.
USB CableLow-wattage USB power cable - works with a laptop, adapter, or power bank.
User GuideA short guide to filling, running, and caring for your diffuser.
Device ColoursChoose blush pink, white, or navy.
How to Use It
◆ Five Steps + One Habit
1
Fill With Clean Water
Fill the tank with clean, room-temperature water up to the line. In hard-water areas, use filtered or RO water to avoid a fine mineral "white dust".
2
Add Heritage House Oil Only
Add a few drops of your Heritage House fragrance oil. Never use random essential or carrier oils - they're thick, and they clog the mist plate and damage the unit.
3
Plug In The USB
Plug the cable into any USB port - a laptop, a phone adapter, or a power bank. No special socket needed.
4
Press To Start
Press to begin the cool mist and the soft colour light. It runs up to 6 hours per fill and covers up to 150 sq ft.
5
Let It Shut Off Safely
When the water runs out, the auto shut-off powers the unit down on its own - safe to leave running by the bed.
6
P.S. - Rinse The Tank
Rinse the tank regularly and empty it after use. A quick rinse keeps the mist fine, the scent true, and the plate clean.
Safe Use
- Cool mist, no heating element - but keep out of reach of young children.
- Use clean, room-temperature water only; filtered or RO in hard-water areas.
- Use Heritage House fragrance oils only - other oils can clog and damage the unit.
- Place on a flat, stable surface, away from the edge.
- Don't run the unit dry; the auto shut-off will power it down when empty.
- Unplug before refilling or cleaning.
- Keep the USB cable and port away from water.
- Rinse and empty the tank regularly; don't submerge the base.
Product Attributes
Structured Specs
| Product | Ultrasonic Cool Mist Diffuser |
| Format | 3-in-1: humidifier, aroma diffuser, night light |
| Tank Capacity | 300 ml |
| Runtime | Up to 6 hours per fill |
| Coverage | Up to 150 sq ft (single room / desk) |
| Mist | Cool ultrasonic micro-mist - no heating element |
| Power | USB-powered (corded, low-wattage); cable included |
| Noise | Whisper-quiet |
| Light | Soft colour night light |
| Auto Shut-Off | Yes - when the water runs out |
| Dimensions | 7.5 × 7.5 × 11.5 cm |
| Weight | Approx 300 g |
| Device Colours | Blush pink, white, navy |
| In the Box | Diffuser, 3 Heritage House fragrances (your choice), USB cable, user guide |
| Fragrance | Use Heritage House fragrance oils only |
| Price | $34 |
| Country of Origin | Device imported (China); fragrances from Athens, GA |
✓ Cool Mist · No Heat ✓ Auto Shut-Off ✓ 3-in-1 ✓ USB-Powered ✓ Whisper-Quiet ✓ Fragrance from ATHENS
Choose Your Three Fragrances
| Scent | Character | Best for |
|---|---|---|
| Mango Coconut | Bright, juicy, creamy | Cheerful days, kitchens, mornings |
| Mysore Sandal | Warm, creamy, woody | Evenings, calm, grounding |
| Rose / Gulab | Soft, true rose | Romance, living rooms |
| Jasmine / Mogra | Rich white floral | Warm, welcoming spaces |
| Vetiver / Khus | Cool, green, earthy | Fresh calm in the heat |
Pick any three at checkout. Edit this list to match your live fragrance range and link each scent to its product page.
Best Mini USB Humidifier for Desk & Bedside
Is it a humidifier or a diffuser?
Both - and a night light. The same cool ultrasonic mist adds gentle moisture to dry, air-conditioned or winter air while carrying fragrance through the room, and a soft colour light glows underneath. It's a 3-in-1 built for desks, bedsides, bathrooms, home offices, and travel - palm-sized, USB-powered, and whisper-quiet.
Cool Mist vs Heated Diffuser - Which Is Safer?
Why choose a cool-mist ultrasonic diffuser?
Cool mist uses an ultrasonic plate that vibrates thousands of times a second to break water into a fine, room-temperature mist - no heating element, no boiling water, and no hot surface, so there's no burn risk near a bed or a child. Heat also flattens fragrance, while cool mist keeps the scent true. Boond adds an auto shut-off when the water runs out, so it's safe to leave running while you sleep.
Aroma Diffuser + Humidifier + Night Light for Small Spaces
When is diffuser at its best?
It shines in the spaces you actually sit in - a bedside for soft light and quiet mist at night, a desk for cool moisture and a clean, grounding scent through the workday, or a dry AC or winter room that needs gentle humidity back in the air. The 300 ml tank runs up to 6 hours and covers up to 150 sq ft, and it ships with three Singhal Heritage House fragrances - making it an easy, thoughtful gift too.
About The Singhal Heritage House
The Singhal Heritage House is a small-batch home-fragrance studio based in Athens, Georgia, making hand-finished candles and home fragrance rooted in India's scent heritage - real materials and scents built to belong in your home and the rhythms of everyday life. The fragrances inside Boond are made by hand in our Atlanta studio.
Frequently Asked Questions
Is it a humidifier or a diffuser?
Both - and a night light. The same cool mist humidifies dry air and carries fragrance, while a soft light glows underneath. It's a 3-in-1.
Is the cool mist safe near a bed or child?
Yes. It uses an ultrasonic plate, not a heater, so the mist is cool and there's no burn risk. An auto shut-off powers it down safely when the water runs out.
How long does it run, and how much does it cover?
The 300 ml tank runs up to 6 hours per fill and scents up to about 150 sq ft - a single room, bedside, or desk.
Which oils can I use?
Heritage House fragrance oils only. It ships with three of our scents, your choice. Random essential or carrier oils can clog the mist plate and damage the unit.
What water should I use, and what is the white dust?
Clean, room-temperature water. In hard-water areas, use filtered or RO water - hard tap water leaves a fine mineral "white dust" as the mist dries.
How is it powered?
USB, low-wattage, cable included. Plug it into a laptop, a phone adapter, or a power bank - easy on a desk, bedside, or while travelling.
What colours does it come in?
Three device colours: blush pink, white, and navy.
How do I keep it clean?
Rinse the tank regularly, empty it after use, use only clean water and Heritage House oils, and never run it dry.
What if it arrives damaged?
Contact us within 48 hours of delivery with a photo and we will arrange a replacement.
Cool Mist · No Heat · 3-in-1 · USB-Powered · Fragrances Included A cool drop of calm for your desk or bedside - humidifier, aroma diffuser, and soft night light in one palm-sized piece, with three Heritage House fragrances in the box, by The Singhal Heritage House.
Marketer & Importer Details
Marketed by: The Singhal Heritage House
Athens, Georgia, USA
Email: Thesinghalheritagehouse@gmail.com · Country of Origin: Device imported (China); fragrances made in Athens, GA, USA
Athens, Georgia, USA
Email: Thesinghalheritagehouse@gmail.com · Country of Origin: Device imported (China); fragrances made in Athens, GA, USA
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