Check the listing for details. ESC board for DJI Mini 3 Pro. Color: Black, Condition: Used. Listed at 32.95 USD. The ESC board is a black electronic speed controller designed for the DJI Mini 3 Pro drone. Made by DJI, this specific model is compatible with the Mini 3 and 3 Pro versions. It is a crucial component for controlling the speed and stability of the drone's motor, ensuring smooth and precise flight performance. Perfect for enthusiasts looking to replace or upgrade their drone's ESC board for optimal functionality.