5V USB Spannungsregler Lüfter Stufenlos Drehzahlregler mit Schalter Controller
5,49 €
And the range is wider! The fan with two gears has a boost circuit board inside. It can be applied to the very common 5V USB fan on the market. Output range: DC 2.5~8.0V. Color: As the pictures show.
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