big blades YET small air flow,
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This review is from: HI-Speed USB Cooler Cooling Flexible Neck Fan For Notebook Laptop PCs PDAs (Personal Computers)
VERY DISAPPOINTING. I had a similar USB fan with smaller blades that worked pretty well until it died. I thought getting something with larger blades would give even better air circulation. However, the shape of the blades does not blow much air. Also the motor is relatively loud--I had a librarian ask me to shut it off because it was too loud. Further, the blades are not attached to the spindle by any nubbin or ridge and thus fall off easily. The flex neck swivels at the USB plug so you can't position the fan any old way but have to fold it over to keep the fan stable while not tilting it forward so the blades fall off. At least it is cheap so if it dies, I won't feel too bad about tossing it in the trash.