2 x 4cm Cooling Fan for Nano 2GB/4GB (A02/B01/SUB) 5V 4PIN Anti-Reverse PWM Connection Strong Speed Regulator Fan

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  • 5. We also provide 4 screws to fix it on the NANO board.
  • 4. The fan adopts a reverse connection interface to prevent the user from damaging the board by mistake.
  • 3. With stronger wind and better dissipation effect, useful development board can be effectively extended.

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