This is an easy-to-use Sleeve Bearing Brushless Mini Blower fan. It just needs to be powered by a 12V DC source.
The blower fan increases the velocity of air.
They are mainly used for exhausting, cooling, ventilating etc.
Additional applications include forced cooling of PCB & PCB Components, active cooling of the hot end, extruder and SBCs like Raspberry Pi, Beaglebone Black etc.
It can also be used in conjunction with a heatsink to improving cooling and provide better airflow.