OPOLAR 9 Inch USB Fan, USB Powered Desk Fan (No Battery), Enhanced Airflow, Lower Noise, Two Speeds, Perfect Personal Cooling Fan for Home Office Desk-Gray

This is a great little fan. It is quiet and on high moves a decent volume of air.

Works great

I take meds that make me feel hot. It is difficult to sleep when I feel like I am going to break out in a full body sweat. I put this little fan on the headboard and run it on low. Alas!! I can cover up so the monster in the closet can't see me and stay cool all night!! I had a different fan,,same size,,but too loud. Had to wait for my wife to fall asleep before I could use it. THIS fan is so very quiet it does not disturb my wife. It moves a lot of air too. Now I will say this fan is ten inches from my head,,,but I only use low speed. High speed is much stronger,,,and you can hear some wind noise. Not much,,and nothing like what it is replacing. But high speed is much to powerful for sleeping. Have used this for a short while. Not sure how durable it is. It appears well built,,to the point that I was surprised. I did not expect it to feel this solid. So for now I am a fan of this fan! If that changes I will update my post.

I purchased this fan 4 months (Sept 2019) ago. It was great, lots of air and pretty quiet. I liked it and so did a lot of my coworkers who also purchased the same model.Unfortunately, here it is Jan 2020 and the fan is still working, on hi but the switch isn't working to put it on low...Since it has a 1yr warranty, Im hoping to figure out how to get in touch with OPolar and hopefully get it addressed.Update- 01.31.2020 - have made several attempts to contact them via email([email protected]), webpage, amazon and finally phone number from their page (1-913-225-9891) The phone number is the worst, all you get are spam ads and surveys. If you stop responding to their spam, they hang up on you instead of transferring you to a person or a hold queue. Still no word from them... Will give them a couple more days before I file a complaint with Amazon.Update 2. No response at all from the company. Filed a complaint with amazon. They are refunding my purchase price and will be handling the dealings with the vendor.At this point I can not recommend purchasing this product due to their lack of response and support of their product.

Bought this to use when vandwelling/camping going to run off of a power bank/phone charger.I'm impressed there's two modes one high one low, the low setting push very little air but makes almost no noise. The high setting is comprable to the number two setting on my Honeywell 10" 120vac (pictured), and comprable to my 9" 5v Walmart fan (not pictured).All in all as a desk fan, camping fan as a emergency if you loose power I am very pleased with this purchase so far.Hope it last the 12 months that it's warranty is for.

This fan is awesome. I've tried one and immediately ordered more. One fan somehow died shortly after arrival and I was about to get upset but was contacted by Opolar team and got free replacement.These fans have two speeds, absolutely quiet on speed 1 and quite powerful on speed 2. 9in model is more versatile then 6in model. Again, on speed 1 it is quieter and on speed 2 gives significantly stronger output. It will definitely not be able to compete with a regular fan, but it is surprisingly good for a usb model.

I bought a Digoo DF-101 which is a 10" USB fan with rechargable batteries. It didnt work. Ultimately that seller refunded me and let me keep the fan, and I bought this Opolar F511 9" fan. Eventually I opened up the Digoo, bypassed the electronics board which also meant I bypassed the battery storage/ use, and got the Digoo to work.Side by side, both fans running via a USB 2a connection, the Opolar fan moves a LOT more air. Also, on a daily basis these are connected to a portable solar panel in order to move warm air in our dining room (due to Sun thru the window) into our cooler living room. The Opolar runs even when the sun is weak (low voltage supplied) whereas the Digoo requires much stronger Sun to run. On the same note, the Opolar F511 spins a LOT faster and moves a LOT more air than the Digoo, even when the Sun is strong :)The Opolar F511 is usually quiet. With full Sun, almost 9 months into ownership I hear the fan now. It's not annoying, when the TV is on I do not hear the fan. When reading a book or two peiple are talking, then I still hear it. At half power it is very quite.The Digoo is always quiet. Admittedly though, since it doesn't spin up and move as much air, this is a difficult comparison. It is quieter than the Opolar IF it was spinning at max flow ... but since it only does this when plugged into a 2a USB charger, and I have them both connected to my solar panel, AND even then it doesn't move as much air as the Opolar, it's a moot point :)