5 V bis 12 V USB Lüfter Drehzahlregler Regler variabel HOT Modul J6L6 D2 * S5Z6
4,91 €
And the scope is wider! 1pcs governor. The non-adjustable USB fan is a 5 volt electric fan motor directly, while the two-speed fan has a boost circuit board inside. When placed in the second gear, the booster board raises the USB 5 volts.
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