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1 SOOTHING AMBIENT LIGHT
2 NIGHT LIGHT EFFECT
3 3 SPRAY MODES
What’s the charging time for this diffuser?
It takes about 3.5 hours to get a full charge. After that, you can use it cord-free. If you prefer to use it while plugged in, please charge it for at least 10 minutes before turning it on.
Can I use oil-soluble essential oils?
Yes. This car diffuser is compatible with water-soluble and perfumes. Please note that it is not designed for pure oils, such as massage oils.
How can I adjust the scent if it’s not strong enough?
To find your perfect intensity, we suggest starting with a few drops and gradually adding more within the proper limits until you’re happy with the fragrance.
Will this car diffuser fit in my vehicle’s cup holder?
Yes.Its universal cup-shaped design is made to fit securely in most standard car cup holders.
How do I clean the car diffuser? How often should I clean it?
For best results, clean the tank weekly. Always unplug first, then empty water and wipe with a soft cloth using diluted cleaner. Avoid charging port、buttons and vents, and air-dry completely before reuse.
HOW TO USE 
STEP-1
Charge for approximately 3.5 hours.For plugged-in use,charge for 10 minutes before operation.(Note: The device cannot be charged during operation)

STEP-2
Fill the water tank to under the “MAX”line and add 3-30 drop essential oil(depending on preference)

STEP-3
Before closing the lid, ensure the Water Barrier
Cap is aligned with the Ventilation Port.

STEP-4
Press and hold the mist button to activate the mist and light, then embark on your fragrance journey.

1 LIVING ROOM
2 BEDROOM
3 OFFICE
4 GOOD GIFT CHOICE
【3.5-Hour Fast Charging & 3000mAh Long-Lasting Battery】This rechargeable aroma diffuser fully charges in just 3.5 hours. Delivers up to 3-4 hours in Continuous Mist mode, 8-12 hours in Intermittent Mist (20s on/30s off), and 16 hours to 21 days in Car Auto Mode (20s on/180s off). Tip: Add 3-30 drops of essential oil or perfume for lasting fragrance.
【2 Dynamic Light Modes+2 stalic Light Mode & Simple Control】Choose from solid colors, RGB cycling, smooth gradients, or rotating colors. Easily lock your favorite light effect(stalic Light) by double-tapping the light button.
【Ultra-Quiet 28dB Operation & Smart Memory Function】Operates at a whisper-quiet 28dB for peaceful and undisturbed relaxation. The smart memory feature automatically recalls your last mist and light settings when restarted.
【Car Auto Mode & Low-Water Protection】Ideal for car use: automatically stops misting 5 minutes after turning off the engine and resumes when driving. Safely auto shuts off when water level is insufficient.
【Cordless Portable Design & Complete Set】Enjoy cordless fragrance anywhere at home, in the office, or while traveling. Includes: diffuser, USB-C cable, and user manual. Note: Charge for at least 10 minutes before first wired use; green light indicates full charge.
6 reviews for HODEMI Portable Smart Essential Oil Diffuser,Cold Mist Car Air Freshener Aromatherapy Diffuser with 10 LED Lights,Built-in Battery,Auto On/Off,4/8 Timer Modes,for Home Office and Travel (Blue)
Add a review
$23.93
Johanna Chirinos –
Great
I always buy air fresheners for my car and they last a day. With this I’m happy my car smells delicious it’s aesthetically quiet it’s beautiful. In addition, I can change the smell whenever I want and the best of all, it is not only for your car but also for any space in your home office. It’s perfect. It doesn’t need batteries since it connects by USB which makes it easier to place it wherever you want
AquarianDreams –
Compact and effective essential oil diffuser
This diffuser is simply made and fairly easy to use once you get the hang of it. It is a water diffuser, so you must add water in up to the fill line and then add in a water-based scent oil. It recommends in the manual to not use oil-based scents to preserve the function of the device. This releases a good stream of mist that scents a decently sized area fairly quickly and effectively. I am impressed by the scent power that it has and in that area am totally happy. I do also very much appreciate that this does not need to be plugged in to work and is hence quite travel friendly.As far as the device itself, it feels very lightweight and looks and feels sort of cheaply made comparative to others that I have used. For this reason, I do feel like the current price of just under $35 is a bit on the high side for this item. I would consider this to be a much better value at around $25.
LB –
Pretty Cool!
I just tested out my new HODEMI Car Essential Oil Diffuser and am really liking it. I have not used it in the car yet but it is a great idea to make a portable diffuser like this that can be charged for use away from electricity. So far it seems like a little water goes a long way. I was afraid it would empty too quickly. When you turn it off, it conveniently remembers the previous settings. So far the only thing I don’t care for is the pink outside color.But speaking of colors, it is pretty cool that in addition to the primary use to create a nice scent, it has multiple colors that can rotate or turn ambient/gradient or glow/oscillate. Or if you just prefer one solid color, you can choose your favorite. Additionally, the scent can be set to be continuous or pause for 30 seconds or even react to when your car is not running. I also like the fact that you can see the mist coming up, which when combined with the rotating glowing colored lights makes me feel like I am back in the 60s. So far this seems to be a pretty cool portable diffuser!
Linda –
Compact, Quiet Car Diffuser That Keeps the Vehicle Fresh Without Being Overpowering
I’ve been using the HODEMI Portable Car Essential Oil Diffuser in my car for several weeks, and it has been a great upgrade from traditional air fresheners. The compact size fits neatly in a cup holder and doesn’t take up much space, which I really appreciate.The diffuser is easy to set up and start using right away. It disperses scent evenly throughout the car without being overwhelming, even in a smaller vehicle. I like that it provides a consistent, clean fragrance rather than the artificial smell of hanging or vent air fresheners. The mist is fine and quiet, so it doesn’t distract while driving.One of the biggest positives is its portability. It’s lightweight and easy to move between vehicles if needed. The design feels sturdy, and the controls are simple and intuitive. It runs reliably during drives and helps keep the interior smelling fresh, especially during longer commutes.A small consideration is that scent strength depends on the essential oil used and personal preference, so it may take a little trial and error to find the right oil and amount. Once adjusted, it works very well.Overall, this diffuser performs exactly as described and is a practical, effective option for anyone looking to keep their car smelling fresh in a more refined way. I’m very pleased with it and would recommend it for daily use.
J –
Plant Humidifier!
I’m actually using this for a bit of a non-standard use: it’s winter here on the east coast, and I keep succulents near my office desk at work. I have a little glass dome over them to create a small greenhouse effect, but they still get overly dry. I’ve put this cordless diffuser inside the dome to moisturize my plants and give my succulents the delicious water they need. The plants already look healthier and like they’re waking up. The gamer RGB ring on the outside edge is just a bonus on top. I love the pretty colors, but I also love that you can turn it off. Works great!
Zach H. –
Super Cute and Functional, but a Bit Overpriced for What It Is
I’m giving this car air freshener/diffuser a 4-star rating. It is a “super cute” and functional accessory that works well, but I ultimately feel the current price point is a bit too high for the value provided.Design and Ease of UseThe diffuser has a very modern, high-end look that fits perfectly in a standard cup holder. It is super easy to charge via the included USB cable, and the charging port is conveniently located on the side. Unlike some other gadgets I’ve tried recently, this one came with decently easy instructions that made the initial setup straightforward.Lighting and PerformanceThe mist output is consistent and effective for a vehicle interior. One notable feature is the sheer variety of lighting options; it has a lot of light modes, ranging from solid colors like blue, purple, and red to a rotating rainbow effect. While having this many modes seems a bit unnecessary, it is a nice touch if you want to match the diffuser to your car’s ambient interior lighting.Value ConsiderationThe only reason I am docking a star is the cost. While it works great and looks excellent, I believe that it is priced too high for what is essentially a small portable humidifier. It feels a bit like the “Dairy Queen” of car accessories—it’s a premium experience, but you’re definitely paying a premium price for it.Overall: If you don’t mind the splurge for a “super cute” and well-lit diffuser, you’ll be happy with the performance. However, if you’re looking for a bargain, you might find the price tag a bit steep.