Quiet Cooling Fan 4-Pack 3.3-5V DC for Microcontroller Projects
£11.99
【Wide Application】: Used for raspberry pi zero / zero w, for raspberry pi 2 b / 3b / 3B+ / 4 B, Retroflag-nespi case and Nespi Case. Not only can they be used for Raspberry Pi board, but also cooling the desert crossing robot project.