o2 Cool
O2Cool Treva 5

O2Cool Treva 5" Battery Operated Clip Fan

O2Cool Treva 5" Battery Operated Clip Fan
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  • Product Description

O2 Cool's 5 inch battery operated portable clip fan is perfect for indoor and outdoor activities, use in a hot office or school, for camping, on a picnic and especially during a power outage.

  • Powerful 2 speed 5-inch fan blade.
  • Convenient built-in clip with pivoting fan. Clip allows versatile placement by clipping fan to any stable surface up to 1.5in thick.
  • Compact design makes it great for travel; easy to carry and store.
  • Perfect for office, home and camping.
  • Uses 4 AA-Cell batteries (not included).
  • Patented fan blades for efficient airflow
  • Easy turn key for 180 degree tilt
  • Low-profile battery compartment
  • Heavy duty clips with rubberized grips

O2 Cool's fans include a range of sizes, multiple power source options, patented fan blades for efficient operation and compact designs that allow you to take the cool anywhere you want to go.

  • Manufacturer Item Number:FC05005
  • o2 Cool Fans
Customer Reviews
Review Summary
3 Reviews
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100% Recommend this product (3 of 3 responses)
By Blake
Currently FT Hood, TX
Amazing little fan
August 5, 2021
I've went through many fans over the years, I've used them mostly for trips out to the field with the US Army. Most of them were bulky and required multiple D cell batteries. I picked this fan up initially because I always have plenty of AA batteries in my bag. I've had the same fan for I don't know how long now, and I love it. It's light enough where I don't notice it in my bag, powerful enough to get a cool breeze even when the temperatures exceed 100? F. I just hang it in my tent from some 550 cord, and with a little adjustment to the base, it puts a gentle breeze out for hours. One set of 4 AA batteries seem to run it on low for about 24 hours, high cuts into that a bit. So if you plan on running it constantly, get the bulk pack of batteries. I've about worn out the switch on mine, but it's served me very well.
  • Powerful cool breeze, uses 4 light (and common) AA batteries, adjustable base with strong spring for clamping it to an impromptu base, compact size for easy packing
  • There are only two things I would change to this fan. One is make it a limitless 360? base, and two is provide an option for a power jack to run out of an outlet.
By Crystal R.
Was very shocked
May 7, 2019
I purchased, this clip on fan,along with 2 other treva fans,I was going to return because I thought it was not going to do the job,but when I put the batteries in,WOW!!!,I SAID I'M KEEPING. It really is a great product.
Los Angeles / Caribbean
Surprisingly powerful!
April 20, 2018
I work in the Caribbean. I travel there monthly. I had a couple of the similar, older D-Cell powered 5 inch fans from O2Cool. I could clip them anywhere but lugging the 2 heavier D-Cell batteries in my luggage caused extra weight. I has to carry my own batteries for these older fans because D-Cells were harder to find.
I had read a review that the newer AA battery 5 inch clips fans were weak and under powered. Nothing could be further from the truth! The four needed AA batteries are lighter, and easy to find at any store or gas station. Both ran about the same running time, too. (30 hours). I like this newer Battery powered clip fan better. -r