I wasn't sure how it would work - how the quality would be, noise level, air output, would it easily fit over my head, and ease of use.
It seems like it's of good quality. The part that rests on your neck seems sturdy. The fan portion is a little iffy. The round plastic plates, that cover the fans, are only stabilized in the center. One drop and the edges could crack and break off. Also, one of these plates sticks out further than the other one and I can't figure out why.
There is nothing really covering the fans but a couple of spokes under the above mentioned plastic plates. Long hair could easily get sucked into it and there would be no way of getting it back out again. There needs to be some kind of mesh cover to keep this from happening.
The fan makes a whining sound on the two lower speeds, it goes away on the highest speed.
It does put out a nice amount of air and is comfortable to wear - I can barely feel it on the nape of my neck (although I do feel an extremely slight vibration).
It's a hot and humid day where I live and I'm wearing the fan right nonw. It is making me cooler.