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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)

  • Based on 8,602 reviews
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Availability: In Stock.
Fulfilled by Amazon
Arrives Friday, Nov 21
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Features

  • BATTERY -OPERATED PORTABLE FAN. You can cool off when youre at home, work or outdoors with O2COOLs 10-Inch Battery-Operated Portable Fan. Perfectly sized, it wont 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 youre 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.

Brand: O2COOL


Color: Grey


Electric fan design: Table Fan


Power Source: Battery Powered


Style: Classic


Product Dimensions: 12"D x 12"W x 12.4"H


Room Type: Bedroom


Special Feature: AC Adapter, Battery Powered, Travel Fan


Recommended Uses For Product: Air Circulation, Ventilating


Wattage: 6.3 watts


Brand: ‎O2COOL


Color: ‎Grey


Electric fan design: ‎Table Fan


Power Source: ‎Battery Powered


Style: ‎Classic


Product Dimensions: ‎12"D x 12"W x 12.4"H


Room Type: ‎Bedroom


Special Feature: ‎AC Adapter, Battery Powered, Travel Fan


Recommended Uses For Product: ‎Air Circulation, Ventilating


Wattage: ‎6.3 watts


Number of Blades: ‎5


Blade Length: ‎10 Inches


Voltage: ‎240 Volts


Switch Type: ‎Push Button


Item Weight: ‎2.1 Pounds


Included Components: ‎AC Adapter, Fan


Indoor/Outdoor Usage: ‎Indoor


Model Name: ‎10-Inch Portable Desktop Air Circulation Battery Fan, 2 Speed


Control Method: ‎Touch


Efficiency: ‎High Efficiency


Is Cordless?: ‎No


Number of Power Levels: ‎2


Manufacturer: ‎O2COOL


Installation Type: ‎Freestanding


UPC: ‎755247164694 754335420056


Global Trade Identification Number: ‎94


Size: ‎10" Blade


Item Package Dimensions L x W x H: ‎12.36 x 12.13 x 3.74 inches


Package Weight: ‎1.14 Kilograms


Item Dimensions LxWxH: ‎12 x 3.5 x 12.4 inches


Brand Name: ‎O2COOL


Warranty Description: ‎Fd10101a.


Number of Items: ‎1


Part Number: ‎FD10101A


Model Year: ‎2015


Date First Available: July 31, 2015


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Friday, Nov 21

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews

    • Update after using for over a year
Original post: We used this on a three-night camp trip into southern Iowa in August. It made all the difference for getting a good night's sleep. It created enough of a breeze on the low setting to give relief without blowing too hard. On the low setting there wasn't quite enough white noise to cover campground sounds or animals treading about but the high setting did a good job of covering noise. The batteries gave enough weight in the base for it to remain upright all night. We like that it folds up to a very portable size and doesn't take up much room among the camp gear. Update one year and three months after purchase: We returned the original purchase as it was defective and got a replacement without any issues. Very reliable fan. Ended up using it in the bedroom for white noise on the low setting. Folded up, it propped easily into the window. The high setting brought in enough evening air to cool the room for night sleeping and the low setting is perfect white noise. It has run for eight hours a night for 15 months. Other fans we've had tended to develop vibration noises after several months, very annoying and not conducive to falling asleep. Not this one. It sounds and performs the same as the day it came out of the box. 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 adapter cord. It came as a result of the cord bending downward at the connector every night to plug into an outlet below the window. It's beyond repair and needs replacement. We tried a couple of power adapter cords from several electronic devices we have but none worked. I see that a replacement AC adapter cord is available from the manufacturer for $12, about half the price of the unit itself. Based on the performance of the fan, we figure it's worth it. The old cord will go to electronic recyclers. As a precaution, so the same thing doesn't happen again on the new cord, we'll probably wrap some electrician's tape around the first couple of inches at the connection to support and ease the bend in the cord. Overall, it's been a good little fan and worth the purchase. ... show more
Reviewed in the United States on September 22, 2016 by Julia
    • A BRILLIANT PORTABLE BATTERY POWERED FAN THAT REALLY WORKS
Wow... this is a must for me because I need to cool my large old body always! Of course this very versatile fan isn’t an air conditioner nor ‘swamp cooler’ that provides cooled and moisture added air flow. 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 operation and truly awesome. Years ago I started thinking and then rhetorically asking why there weren’t fans like this available or even existing in this consumer friendly design versus high end expensive rechargeable fans used for many industries. I may have bought the first version of this fan and for sure wrote the first review on Amazon of it. Now several years later I am writing this review with a well improved version of this fan. The true unique and most important selling feature is the ability to use D batteries to power this lightweight yet nice diameter for air flow design. It also is able to fold into a even better smaller size that makes traveling and camping + any place... able to be added to, or by itself provide the so often needed flow of air directly with you. When used 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 breezy! But it’s the fan and it’s great functions for the other times when it’s not the only device for cooling down that allows this portable fan to be truly appreciated. In the sum; this is the current version of a genius (thank you!) design that is even more brilliant and more powerful than the first!! ... show more
Reviewed in the United States on April 1, 2020 by DTR6484
    • Great product.
It has a 9v power port.
Reviewed in the United States on October 7, 2025 by Joseph Braun
    • Battery back up circulating fan
Recieved fan in reasonable time. My better half uses the fan with external dropping resistor off a 12 volt battery bank. This is for power outages only. I only break out the generator for lengthy power failures. The fans do pretty good, as far as moving air. 73 GOD bless Earnest k5ewm.
Reviewed in the United States on September 24, 2025 by Earnest W. Matlock Jr.
    • Great little fans for small spaces
Years ago, I had one of these fans in a tiny teardrop camper trailer. It worked great there. Later, when I moved into a small apartment, I used that same fan and bought two more. They are easy to use, reasonably quiet, move the air around quite well, and don't take up a lot if space. If this sounds like something you could use, buy it. I don't think you'll be sorry. ... show more
Reviewed in the United States on September 1, 2025 by Martha Marks
    • Great functionality
Great! The bad thing is the kind of battery they use but overall works great for emergency and not dying of heat
Reviewed in the United States on October 23, 2025 by ShirNi

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