Treva 5" Portable Battery Powered, USB Powered or AC Powered Desktop Fan, Gray

The fan has both a USB and battery supplied power. I like the USB function, since I use the fan while using my laptop and it is just the right size and has two speeds. So far, I have not had to use the higher setting as the lower setting has kept me cool. I liked that each fan came in its own box and was worried two would begin one as I planned on giving the second fan to so done else.

Good air flow for it's size. Lightweight, folds up small, works well on battery or usb. Would recommend.

Plugged into battery pack to keep me cool during a power outage.

Great personal fan that runs on AA batteries. Great price too.

Small but great for head or feet. Going to get three more for my florida weather.

Quiet,two speeds but no on/off switch.

Well the only reason I gave it a 3 instead of a 4 is that it can't run by itself after fully charged. It must be connected to USB or on battery which defeats the whole purpose for me. I'm supposed to be something different and nicer to leave for my cat when I'm not home but even plugged into some sort of USB is risky with him sometimes finding cords to be a toy. I do like them in general their quietness and they don't use that much of the USB charge where will find out if they use more charge too quickly on battery as going to test that out for the short period of time that I need to be out and I happen to have a bunch of the batteries I needed for that but I don't want to use batteries long-term. I read another reviewer someone says there's not an off switch which is incorrect there is an off switch in the middle of the two speeds or you can just unplug it from the USB without any batteries in it and then it won't run. Overall, I do like the quietness and both speeds are good enough without being too much.

Seems like it would be a good little fan but mine arrived broken.

Too small to do any good.

Fan (and battery) only lasted less than a week, and I only turned it on for maybe a total of 1 hour a day, probably less! And I bought a name brand battery!