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O2COOL Treva 10-Inch Portable Desktop Air Circulation Battery Fan, 2 Speed, Compact Folding & Tilt Design, with AC Adapter (Graphite)

4.5 4.5 out of 5 stars 8,124 ratings

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Purchase options and add-ons

Mounting Type
Freestanding, Tabletop
Controller Type
Button Control
Material
Cotton
Number of Speeds
2

About this item

  • BATTERY -OPERATED PORTABLE FAN. You can cool off when you’re at home, work or outdoors with O2COOL’s 10-Inch Battery-Operated Portable Fan. Perfectly sized, it won’t take up much space and features a convenient folding design and a built-in handle for easy storage and transport.
  • DURABLE CONSTRUCTION. Durably crafted using sturdy plastic construction for long-lasting strength and use, this portable fan boasts a patented fan blade design which extends the battery life while maximizing airflow.
  • TWO-SPEED OPERATION. Featuring a powerful 10-inch blade, this fan offers high and low speeds to accommodate your needs. Both settings deliver refreshing air with minimal noise to prevent distractions. You can also adjust the tilt of the fan for directional airflow and ideal cooling comfort on hot, sticky days.
  • EASY TO USE. Position fan face down, slide out the battery door and insert batteries following (+/-) marks, then replace door. Slide switch located on the side of fan to your preferred setting. To operate fan using AC power (120-240 VAC, 50-60 Hz), use supplied adapter only.
  • EMERGENCY/DISASTER PREPAREDNESS. Make sure you’re prepared the next time a power outage occurs due to a thunderstorm, hurricane, lightning or high winds. For added convenience, the fan runs on six D-cell batteries (not included) or you can plug it in using the included AC adapter. Inserting the adapter plug into the fan disconnects the installed batteries from the circuit.

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$29.99
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$13.98
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Sold by NUOZHI TECH and ships from Amazon Fulfillment.
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Blade Diameter: 10-12.9 in
Color: Grey
Power Source Type: Battery Powered
Indoor-Outdoor Usage: Indoor
Number of Speeds: 2 Speeds
Electric Fan Design: Table Fan
Controller Type: Button Control
Blade Length: Up to 20.9 in
Control Method : Touch
Recommended Uses For Product: Air Circulation
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Product Description

Desk Fan
personal fan
table fan
personal fan
Treva Fans

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O2COOL

O2COOL Treva 10-Inch Portable Desktop Air Circulation Battery Fan, 2 Speed, Compact Folding & Tilt Design, with AC Adapter (Graphite)


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Customer reviews

4.5 out of 5 stars
4.5 out of 5
8,124 global ratings

Customers say

Customers like the size, portability, and noise of the electric fan. For example, they mention it's the perfect size to fit in camping gear, it'll move around anywhere and it'd be easy to carry. Some appreciate the white noise it produces. That said, opinions are mixed on value, battery life, and air flow.

AI-generated from the text of customer reviews

427 customers mention317 positive110 negative

Customers like the quality of the fan. They mention that it's a reliable, powerful, and still going strong. Some say that it folds flat and really puts out the air. Overall, customers are satisfied with the quality and functionality of the product.

"...and battery power options; super quiet constant operation and truly awesome...." Read more

"...Overall I think it's a great little fan, 2 speeds, more than enough power to move air through a 10x12 family tent or 10x16 bunkhouse / hunting shack...." Read more

"...It is also slightly stronger running from dc as the power stations put out 12v and the adapter that is included with the fan only puts out 9v...." Read more

"...The only caveat I have to add is that the covering on the cord separated near the fan body's plug-in point, exposing the little wires within AC..." Read more

401 customers mention329 positive72 negative

Customers like the performance of the fan. For example, they say it works well, is portable, and powerful. Some mention that it works great on battery power or AC power, and is a great purchase for a good fan.

"...design that is even more brilliant and more powerful than the first!!" Read more

"...I was worried I would bake in the heat, but this worked great to cool the room during the day and I put it right on me at night and it put out..." Read more

"It worked flawlessly for 7 days on a cruise ship. It moved enough air to keep us cool. It provided just enough white noise at the same time." Read more

"...It worked great on A/c power with the adapter plugged in, it was wisper quiet and moved air in two different speeds...." Read more

276 customers mention205 positive71 negative

Customers like the noise of the fan. For example, they say it's relatively quiet, has a nice white noise, and isn't intrusively loud. Some mention that it runs quietly and produces a good air flow.

"...for air flow; both wired and battery power options; super quiet constant operation and truly awesome...." Read more

"...It has a low and high setting. It''s just loud enough for white noise to block out hotel noises and it kept me cool despite the high 80 temps in..." Read more

"...This fan isn't intrusively loud, just kinda normal sound level for a fan. Batteries lasted TWO AND A HALF weekends. So glad we got this...." Read more

"...However, right at the 1 year mark the blades start to wobble and if you are noise sensitive or can’t sleep unless the sound is constant you can no..." Read more

206 customers mention183 positive23 negative

Customers like the portability of the fan. They say it is very portable, easy to carry, and stable when running on either speed. It is extremely light without the batteries, and great for travel. Some customers also mention that it folds up to a very portable size and doesn't take up much room.

"...selling feature is the ability to use D batteries to power this lightweight yet nice diameter for air flow design...." Read more

"...If you need very portable, energy efficient, reliable, and effective air moving for a small space, this would be a highly recommended fan, just..." Read more

"...version is built from a different material which seems better suited for a portable fan. It seems like it would be more forgiving of drops and bumps...." Read more

"I loved this fan! It has great airflow, nice white noise and traveled well...." Read more

127 customers mention104 positive23 negative

Customers like the size of the fan. They say it's compact, lightweight, and easy to move around. Some mention it'll fit in their camping gear. Overall, most are satisfied with the size and portability of the product.

"...But this is what this fan is: a great portable design with a large diameter for air flow; both wired and battery power options; super quiet constant..." Read more

"...dimensions, because it is bigger than 10 inches, BUT, it fit perfectly in my carryon because it folds fairly flat and I just packed my clothes..." Read more

"This is the best portable fan. Works great and fits in a travel bag/suite case. Love the fan!!" Read more

"Size is good for a small room or patio, quiet at both speeds and both speeds are adequate. Easy to install the batteries...." Read more

275 customers mention124 positive151 negative

Customers are mixed about the battery life of the fan. Some mention that it was pretty quiet, and the batteries lasted for the full 2 nights. They also anticipate it should perform well on batteries, and that it can run on electricity or batteries. However, others say that the battery seems to make it function poorly, and it stopped working.

"Bought for camping and the battery seems to make it function poorly. For use with electricity we have no complaints...." Read more

"...D cells but have been too cheap to do so as of yet.... Battery life is good, can't really say how long because I don't run it 24x7, but on our..." Read more

"Very useful not terribly portable. Battery life not particularly relevant when using usb portal." Read more

"...Batteries lasted TWO AND A HALF weekends. So glad we got this. Made a huge difference." Read more

134 customers mention77 positive57 negative

Customers are mixed about the air flow of the fan. Some mention it has a really great air flow, while others say it's a bit weak and barely moves any air.

"...with the plug in power cord attached; this fan will provide a constant breeze like air flow that may not make super hot days into something cool or..." Read more

"...The airflow is very low as expected. I also own an expensive Endless Breeze fan...." Read more

"...If you need very portable, energy efficient, reliable, and effective air moving for a small space, this would be a highly recommended fan, just..." Read more

"...It’s a good thing that it is small, because the airflow is a bit weak, and you have to stand right in front of it to get any air...." Read more

119 customers mention73 positive46 negative

Customers have mixed opinions about the value of the fan. Some say it's excellent value for the money, and a good choice for camping at this price point. However, others say it’s overpriced, and not worth the price. They also mention the fan is made out of cheap plastic and the batteries die fast.

"...I hope this is helpful. Overall, great product for the money spent!" Read more

"...of the "new" locking mechanism showed that it was very cheaply designed...." Read more

"...Overall, it's been a good little fan and worth the purchase." Read more

"...Excellent value for the Money." Read more

IT WORKS
4 Stars
IT WORKS
It arrived overnight. It has a lights/cheap feel to it, as if someone designed it and printed it off of a home, 3-D printer. The edges are not quite aligned and the switch does not go to the far left. Adding six size D batteries (not included) gave it some weight. A cord was included. It works at this point, several hours after I received it. It makes noise, but it is not super loud. I cannot comment on battery life or how long it will last. So far, so good. I look forward to using it. If something goes wrong, I will update this review.
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Top reviews from the United States

Reviewed in the United States on April 1, 2020
9 people found this helpful
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Reviewed in the United States on January 28, 2023
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Top reviews from other countries

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Edgar
4.0 out of 5 stars Práctico
Reviewed in Mexico on January 5, 2021
Purricane
5.0 out of 5 stars Excellent and so much better than a 5 or 6 inch fan
Reviewed in Canada on May 30, 2019
5 people found this helpful
Report
Mahesh
5.0 out of 5 stars This is one of the best portable fans I have had
Reviewed in India on July 18, 2017
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Mahesh
5.0 out of 5 stars This is one of the best portable fans I have had
Reviewed in India on July 18, 2017
This is one of the best portable fans I have had. It simply is amazing and meets its puprpose and is a wonderful traveling fan. The best part is I orderd and got it shipped from US with in week inspite me being in Cochin where normal couriers take ages.

I wanted this to be taken with me on my tour to Europe where we are doing quite a bit of home stays in the country side where most homes don't have A/C or fan and in recent years European summers have become hot (temp in Spain was 39 degrees) and i have had bad experiences in the past as well, hence we decided to take a fan. Straight away knew the cheap Chinese fans (already having extremely poor reviews on amazon) would not be enough. After a long search finally found the O2-Cool series of fans.

Not only it proved to be extremely useful it was also super light weight and did not add on to our overall weight limit in a bad way.

Special mention of the company Ganapathy Global who sold it cheaper then many other sellers but also promptly responded to my email request for delivery within a week as I needed it for my travel and it came ahead of the time they promised.

Please note: This product is for travel or to be used in close proximity and recommend using a light weight extension cable than buying the heavy and expensive rechargeable battery's (unless you are camping).
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9 people found this helpful
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RMS
3.0 out of 5 stars My best blackout friend
Reviewed in Australia on September 20, 2019
Daniel U.
3.0 out of 5 stars Regular
Reviewed in Mexico on August 9, 2020