"Small Cooling Fan" with a new high-quality motor, energy saving effect is very good, the following tests on this fan power, where the same select a file, 16 stalls, 32 stalls for power testing three modes. Here, select a file, perform speed test at 16 stalls, 32 stalls three modes, test results show that under a stall speed of 1.5m / s, 16-speed wind speed of 3.7m / s, 32-stall speed of 5.5m / s, test results show that this "Small Cooling Fan" the wind is very strong, you can also adjust the speed gear according to their needs. Fans can explain this low power consumption, energy-saving effect is very good. Fan noise issue when use is also very concerned about the user, "Small Cooling Fan" fully enclosed gear box and the air gap uniformity excellent motor movement, noise control is very good, here on this fan noise test .