5W Micro USB Lüfter Stufenlos Drehzahlregler Regler Variabel Schalter Modul
1,86 €
And the scope is wider! rated power: 5W! (Do not overload). The non-adjustable USB fan is a 5 volt electric fan motor, 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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