Having a small USB desk fan can really cool things off. Sometimes, a laptop user might need to work in a stuffy room or office. A cheap USB desk fan might be just the thing to get the air flowing. A constant current of air will also keep dust for gathering on your keyboard and monitor. After looking around, a shopper might decide that the best USB desk fan that money can buy is one that works without spinning blades. These unique devices are safe to use around pets and animals because there is nothing turning which will hurt them.