Popular 4 inch air cooling usb fan finger guard for protect great wind with low noise,quiet small and easy to use Popular 4 inch air cooling usb fan 1.Size: 149.73*96.3*146.5mm2. Weight: 415g3. Diameter of the blade: 9.6cm4. Length of the wire:1.2m5. Power: 5V DC USB port6.Metal finger guard:YesPacking:15*10.5*15cmPacking box:We are professional manufacturer of brushless DC cooling fans, AC ...
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