Amazon.com: Ultrasonic USB Diffuser

Mini Portable USB Ultrasonic Air humidifier Aroma Essential Oil Diffuser (Green)

$10.99$10.99

FREE delivery Fri, May 3 on $35 of items shipped by Amazon

Or fastest delivery Wed, May 1

Best Sellerin Aromatherapy Diffusers

ASAKUKI Essential Oil Diffuser, Ultrasonic Aromatherapy Oil Humidifier with 7 Colors Lights 2 Mist Mode for Home

55,847

1K+ bought in past month

Limited time deal

$17.59$17.59

Typical: $23.99$23.99

10% coupon applied at checkoutSave 10% with coupon

FREE delivery Thu, May 2 on $35 of items shipped by Amazon

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2 in 1 USB Electric Aromatherapy Oil Diffuser Ultrasonic Air Humidifier Mist Maker with Colorful Light for Home Office and Car (White)

215

$9.90$9.90

FREE delivery Thu, May 2 on $35 of items shipped by Amazon

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$5.80(2 new offers)

Car Diffuser for Essential Oils, Car Air Fresheners Fragrance Humidifiers, USB Powered Portable Cool Mist Ultrasonic Humidifiers for Car Home Office Bedroom (Thread Black)

2,336

50+ bought in past month

$16.99$16.99

Typical: $17.99$17.99

FREE delivery Thu, May 2 on $35 of items shipped by Amazon

Or fastest delivery Wed, May 1

Typical price $27.89$27.89

Overall Pick

Amazon's Choice: Overall Pick
This product is highly rated, well-priced, and available to ship immediately.

Flame Air Diffuser Humidifier,Upgraded Scent Diffuser for Essential Oils,Ultrasonic Aromatherapy,Fire Mist Humidi with 2 Brightness,Auto-Off Function for Room Home Office(Black)

454

1K+ bought in past month

Limited time deal

$23.46$23.46

FREE delivery Thu, May 2 on $35 of items shipped by Amazon

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muson Mini Essential Oil Diffuser Aroma Cool Mist Humidifier for Car Office Sleep Travel, Ultrasonic Aromatherapy Diffuser with Warm Night Light, Ultra Quiet/Auto Shutoff/USB Powered

$19.99$19.99

FREE delivery Thu, May 2 on $35 of items shipped by Amazon

Or fastest delivery Wed, May 1

Only 17 left in stock - order soon.

$15.99$15.99 ($15.99$15.99/Count)

InnoGear Car Diffuser, USB Oil Diffuser Ultrasonic Car Humidifier Cool Mist Mini Portable Diffuser Automobile Aroma Diffusers for Vehicle Home Office Travel, Black

10,572

100+ bought in past month

Save 5% on 2 select item(s)

FREE delivery Thu, May 2 on $35 of items shipped by Amazon

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ASAKUKI 100ml Essential Oil Diffuser, 5 in 1 Ultrasonic Aromatherapy Diffuser with Intermittent Timer, 7 LED Lights and Auto-Off Safety Switch

12,458

200+ bought in past month

$20.99$20.99

List: $30.99$30.99

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FREE delivery Thu, May 2 on $35 of items shipped by Amazon

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Trapp 100 ml USB Ultrasonic Diffuser

$28.00$28.00

FREE delivery Thu, May 2 on $35 of items shipped by Amazon

Or fastest delivery Wed, May 1

Only 10 left in stock - order soon.

Car diffusers for Essential Oils， Fragrance car Air fresheners,USB-Powered Mini Ultrasonic Mist Humidifier Essential Oil Diffuser for Vehicle

435

900+ bought in past month

10% coupon applied at checkoutSave 10% with coupon

FREE delivery Thu, May 2 on $35 of items shipped by Amazon

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$25.06$25.06 ($25.06$25.06/Count)

NOW Essential Oils, Ultrasonic USB Aromatherapy Oil Diffuser, Extremely Quiet, Heat Free, and Easy to Clean, Color Changing LED Diffuser

1 Count (Pack of 1)

120

List: $26.99$26.99

FREE delivery Fri, May 3

Or fastest delivery Apr 30 - May 2

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$24.87(9 new offers)

Aroma Flame-Light Humidifier and Diffuser with Realistic LED Flame Effect, Ultrasonic Aromatherapy Diffuser with Auto-Off Function Timers, for Office, Bedroom, Home (250ml) USB-DC

FREE delivery Fri, May 3 on $35 of items shipped by Amazon

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BBSKIN USB Essential Oil Diffuser, Mini Cute Shell Shape Aromatherapy Diffuser for Kids, 80ml Ultrasonic Air Fresher USB H...

USB Essential Oil Diffuser, Mini Cute Shell Shape Aromatherapy Diffuser for Kids, 80ml Ultrasonic Air Fresher USB Humidifier, BPA Free and Waterless Auto Off Safety for Baby, Kids Bedroom

$12.99$12.99

FREE delivery Thu, May 2 on $35 of items shipped by Amazon

Essential Oil Diffusers, Aroma Diffsuer for Essential Oil Small Diffuser Humidifier 180ml Wood Grain Ultrasonic Cool Mist 7 Colorful Light Auto-Off USB Cord Aromatherapy Diffusers for Home Room Office

406

$22.49$22.49

FREE delivery Thu, May 2 on $35 of items shipped by Amazon

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SQAU Warm and Sweet Diffuser with Ultrasonic Tech,USB-Powered Portable Diffuser for Essential Oils，Small Humidifier with ...

Warm and Sweet Diffuser with Ultrasonic Tech,USB-Powered Portable Diffuser for Essential Oils，Small Humidifier with 7-LED Color Changing for Car Home Office Bedroom

$9.90$9.90

Save 2% at checkout

FREE delivery Thu, May 2 on $35 of items shipped by Amazon

Or fastest delivery Wed, May 1

$23.39$23.39 ($23.39$23.39/Count)

NOW Essential Oils, Portable USB Ultrasonic Aromatherapy Oil Diffuser, Extremely Quiet and Heat Free, Travel Friendly Diffuser

1 Count (Pack of 1)

List: $26.99$26.99

FREE delivery May 1 - 3

BBSKIN Essential Oil Diffuser, 120ml USB Kids Ultrasonic Aroma Diffuser with Cool Mist, 7 Color Changing Night Light & Wat...

Essential Oil Diffuser, 120ml USB Kids Ultrasonic Aroma Diffuser with Cool Mist, 7 Color Changing Night Light & Waterless Auto-Off for Bedroom, Baby Room, Office

$18.99$18.99

FREE delivery Thu, May 2 on $35 of items shipped by Amazon

HOMILLY Essential Oil Diffuser, 120ml USB Cable Colorful Quiet Aromatherapy Diffuser with 7 Colors Lights, Adjustable Mist...

Essential Oil Diffuser, 120ml USB Cable Colorful Quiet Aromatherapy Diffuser with 7 Colors Lights, Adjustable Mist Mode, Waterless Auto Off, for Home Office SPA Yoga,White Wood Grain.

100+ bought in past month

$7.99$7.99

FREE delivery Thu, May 2 on $35 of items shipped by Amazon

Or fastest delivery Wed, May 1

Flame Diffuser Humidifier-Auto Off 180ml Essential Oil Diffuser-2 Modes Brightness Aroma Humidifier with Fire Flame Effect for Home,Office,Spa,Gym (Black)

127

400+ bought in past month

FREE delivery Thu, May 2 on $35 of items shipped by Amazon

Or fastest delivery Wed, May 1

Decor Swan Ultrasonic Essential Oil Diffuser with Candlelight, Portable Rechargeable Flame Humidifier for Aromatherapy, Me...

Ultrasonic Essential Oil Diffuser with Candlelight, Portable Rechargeable Flame Humidifier for Aromatherapy, Meditation, for Home, SPA, Office with USB Charge, Auto-Off Timer (Matte White)

$34.99$34.99

13% coupon applied at checkoutSave 13% with coupon

FREE delivery Thu, May 2 on $35 of items shipped by Amazon

Unee Car Diffuser,USB 100ml Small Humidifier Essential Oil Aroma Diffuser Aromatherapy Diffusers Cool Mist for Car Home Of...

Car Diffuser,USB 100ml Small Humidifier Essential Oil Aroma Diffuser Aromatherapy Diffusers Cool Mist for Car Home Office(White)

1,873

Typical: $16.99$16.99

5% coupon applied at checkoutSave 5% with coupon

FREE delivery Thu, May 2 on $35 of items shipped by Amazon

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Colorful Cool Mini Humidifiers with LED Night Light, USB 300ml Mist Humidifiers for Car Office Room Bedroom, 26db Quiet Ultrasonic Humidifiers, Portable Diffuser for Essential Oils Gray

1,168

50+ bought in past month

FREE delivery Thu, May 2 on $35 of items shipped by Amazon

Car Aromatherapy Diffusers for Essential Oils Portable Mini Ultrasonic Mist Humidifier 100ml USB-Powered Aroma Diffuser Freshener for Vehicle Home Office Bedroom（Grey）

50+ bought in past month

$19.80$19.80

30% coupon applied at checkoutSave 30% with coupon

FREE delivery Thu, May 2 on $35 of items shipped by Amazon

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Actpe Portable Travel-Size USB 100ml Aroma Essential Oil Diffuser Ultrasonic Air Humidifier Ultrasonic Cool Mist for Car Bedroom Baby Kids Home Office Spa

677

50+ bought in past month

$23.99$23.99

FREE delivery Thu, May 2 on $35 of items shipped by Amazon

Or fastest delivery Wed, May 1

Serene House Ultrasonic Ranger Aromatherapy Essential Oil Cool Mist Diffuser – USB-Powered, Travel-Size Diffuser with Automatic Shut-Off – White, 60ml

$24.99$24.99

FREE delivery Fri, May 3 on $35 of items shipped by Amazon

Or fastest delivery Wed, May 1

Only 2 left in stock - order soon.

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$24.95(2 new offers)

Car Diffuser USB Cool Mist Humidifier Aromatherapy Essential Oil Diffuser Portable Oil Diffuser for Car Home Office Bedroom (Black)

Typical: $14.99$14.99

FREE delivery Thu, May 2 on $35 of items shipped by Amazon

Colorful Cool Mini Humidifier, Essential Oil Diffuser, Aroma Essential USB Personal Desktop Humidifier for Car, Office Room, Bedroom etc,2 Adjustable Mist Modes (Pink)

541

FREE delivery Thu, May 2 on $35 of items shipped by Amazon

Or fastest delivery Wed, May 1

Essential Oil Diffuser, 130ml USB LED Ultrasonic Aroma Diffuser Essential Oil Diffuser Humidifier with 7 Colors Portable Cool Mist Humidifier for Home Office.(Light Wooden Grain)

$10.56$10.56

FREE delivery Sat, May 4 on $35 of items shipped by Amazon

Or fastest delivery Wed, May 1

Only 2 left in stock - order soon.

Flame Diffuser Humidifier, 180ml Air Humidifiers for Bedroom with Flame Effect and 2 Brightness Levels, USB Type C Flame Humidifier with Auto-Off, Ultrasonic Mist Diffuser For Home Office Spa (White)

$29.98$29.98

List: $32.98$32.98

FREE delivery Fri, May 3 on $35 of items shipped by Amazon

Or fastest delivery Thu, May 2

Only 13 left in stock - order soon.

Essential Oil Diffuser, 150ml Aromatherapy Diffuser with Auto Shut-Off Function, Ultrasonic Diffusers for Essential Oils, Cool Mist Humidifier with Warm Lights, for Home&Office-White

FREE delivery Thu, May 2 on $35 of items shipped by Amazon

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$9.99$9.99 ($9.99$9.99/Count)

Aromahouse Aromakey USB Aromatherapy Diffuser with 5 Unscented Refill Pads for Bedroom - Bathroom - Kitchen - Home - Offic...

Aromakey USB Aromatherapy Diffuser with 5 Unscented Refill Pads for Bedroom - Bathroom - Kitchen - Home - Office - Car - Travel (White)

6 Piece Set

716

FREE delivery on $35 shipped by Amazon.

SALKING Essential Oil Diffuser, 100ml Small Aromatherapy Diffuser with Auto Shut-Off Function, Ultrasonic Diffusers for Essential Oils, Cool Mist Humidifier with Warm White Lights, for Office Home

1,224

4K+ bought in past month

Join Prime to buy this item at $12.09

FREE delivery Thu, May 2 on $35 of items shipped by Amazon

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HOMDIS Essential Oil Diffusers, Quiet Flame Diffuser, Waterless Auto-Off Portable Aromatherapy Diffuser Flame Humidifer, B...

Essential Oil Diffusers, Quiet Flame Diffuser, Waterless Auto-Off Portable Aromatherapy Diffuser Flame Humidifer, Black

157

100+ bought in past month

$9.97$9.97

List: $14.97$14.97

FREE delivery Sat, May 4 on $35 of items shipped by Amazon

Or fastest delivery Wed, May 1

InnoGear Essential Oil Diffuser, 150ml Ceramic Diffuser Ultrasonic Air Diffusers Humidifier Cool Mist Aromatherapy Diffuser with 2 Mist Modes Waterless Auto Off for Home Office, Black

100+ bought in past month

Limited time deal

$22.99$22.99

List: $36.99$36.99

FREE delivery Thu, May 2 on $35 of items shipped by Amazon

Or fastest delivery Wed, May 1

Essential Oil Diffuser Aromatherapy Diffuser - 120ml Glass Ultrasonic Cool Mist Scent Aroma Diffuser, Whisper Quiet with Auto Shut-Off, 4 Timer Setting &7 Colors Night Light for Home (Mountain Stone)

259

$19.99$19.99

FREE delivery Thu, May 2 on $35 of items shipped by Amazon

Or fastest delivery Wed, May 1

Gonlink Car Humidifier, Car Aromatherapy Diffusers for Essential Oils, USB Cool Mist Humidifier Diffuser for Car Home Offi...

Car Humidifier, Car Aromatherapy Diffusers for Essential Oils, USB Cool Mist Humidifier Diffuser for Car Home Office Bedroom (Black Upgrade)

50+ bought in past month

$15.88$15.88

FREE delivery Thu, May 2 on $35 of items shipped by Amazon

Or fastest delivery Wed, May 1

BDXXJ Essential Oil Diffuser for Bedroom, Quiet Humidifiers for Home, Ultrasonic 250ML Small Aromatherapy Diffuser, 7 LED ...

Essential Oil Diffuser for Bedroom, Quiet Humidifiers for Home, Ultrasonic 250ML Small Aromatherapy Diffuser, 7 LED Color Safety Auto-Off Timer, for Large Baby Bedroom, Hotel, Plant, White

347

1K+ bought in past month

FREE delivery Thu, May 2 on $35 of items shipped by Amazon

Or fastest delivery Wed, May 1

Car Diffuser Humidifier Aromatherapy Essential Oil Diffuser Car Air Freshener Diffuser USB Cool Mist Mini Portable Diffuser for Car Home Office Bedroom (Black)

1,881

1K+ bought in past month

$16.99$16.99

5% coupon applied at checkoutSave 5% with coupon

FREE delivery Thu, May 2 on $35 of items shipped by Amazon

Or fastest delivery Wed, May 1

$15.99$15.99 ($15.99$15.99/Count)

Car Diffuser for Essential Oils Car Humidifier Aromatherapy Essential Oil Diffuser Portable for Car Home Office Bedroom (Black)

115

List: $16.99$16.99

5% coupon applied at checkoutSave 5% with coupon

FREE delivery Thu, May 2 on $35 of items shipped by Amazon

Or fastest delivery Wed, May 1

Small USB Desktop Humidifier 300ml with 7 Colors LED Light for Home, Plant, Car, Office, Bedroom, Baby with Nano Mist and No Battery (White)

FREE delivery Thu, May 2 on $35 of items shipped by Amazon

Or fastest delivery Wed, May 1

Ceramic Oil Aroma Diffuser 7-Color LED Light and 1/2/3H/Continous Working Time with USB Cord and Power Adapter Wood Grain Ultrasonic Essential Oil Diffuser for Home Office Bedroom(Pink 100ML)

$24.99$24.99

FREE delivery Thu, May 2 on $35 of items shipped by Amazon

Or fastest delivery Wed, May 1

HAPPTWS Waterless Essential Oil Diffuser - 3 Time Settings, Adjustable Mist, Rechargeable & Portable - Ideal for Bedroom, ...

Waterless Essential Oil Diffuser - 3 Time Settings, Adjustable Mist, Rechargeable & Portable - Ideal for Bedroom, Yoga Room, Office

50+ bought in past month

$14.99$14.99

FREE delivery Thu, May 2 on $35 of items shipped by Amazon

Car Diffuser, Car Air Fresheners Car Diffusers for Essential Oils USB Car Humidifier Aromatherapy Diffusers Cool Mist Portable with 7 Color Flame Lights for Car Home Office Bedroom (White)

198

FREE delivery Thu, May 2 on $35 of items shipped by Amazon

Or fastest delivery Wed, May 1

Flame Diffuser for Essential Oils, 200ml Ultrasonic Aroma Diffusers with Cool Mist, Aromatherapy Diffuser with Auto-Off Protection, Small Humidifier for Home,Office,Bedroom,Gift (Black)

694

600+ bought in past month

Typical: $18.99$18.99

10% coupon applied at checkoutSave 10% with coupon

FREE delivery Thu, May 2 on $35 of items shipped by Amazon

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Humidifier Vintage Lantern with Lamp Aromatherapy Diffuser USB Rechargeable Dimmable Ultrasonic Misting Humidifier Lamp (Jade white)

$28.99$28.99

FREE delivery Thu, May 2 on $35 of items shipped by Amazon

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Only 6 left in stock - order soon.

Anti Gravity Ultrasonic Humidifier, 2023 Upgrade Cool Mist Desktop Humidifier, Quiet Diffuser with LED Clock Display, Auto Shutdown Power-Off Protection for Kids Friend Lover Gift Bedroom Home(White)

148

$34.69$34.69

5% off promotion available

FREE delivery on $35 shipped by Amazon.

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$31.69(4 new offers)

Essential Oil Diffuser for Large Room - 300ml Metal Black Aromatherapy Diffuser Electric Ultrasonic Cool Mist Diffuser with Auto Shut-Off, 4 Timer & 7 Colors Night Light for Home Office Decor & Gift

338

$25.99$25.99

Join Prime to buy this item at $19.94

FREE delivery Thu, May 2 on $35 of items shipped by Amazon

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Only 13 left in stock - order soon.