2pcs Mini Brushless Micro Fan DC5V Mute High Air Volume Heat Sink 2507 DC 5V-9V 20500RPM Black White Small Cooling Fan 25 * 25mm (Voltage(V) : Black Fan)

Note:Connect the blue wire to the positive pole and the black wire to the negative pole.
Ultra-miniature brushless DC fan, the specification is 25*25 MM, the thickness is 7 MM, there are black (A type) and white (B type), their rated voltage is DC5V, white fan speed (12000 rpm ) Faster than the speed of the black fan (10000 rpm). Both fans have reverse connection protection. If the positive and negative poles are connected incorrectly, the fan will not work, but the drive board will not be burned out.
Black fan parameters:
Voltage range: DC 5V-DC 12V
Weight: 4.5g
Rated voltage: DC 5V
Test data:
Voltage:DC5V Current: 138 MA Speed: 10000 RPM
Voltage:DC6V Current: 160 MA Speed: 12000 RPM
Voltage:DC7.2V Current: 185 MA Speed: 14800 RPM
Voltage:DC9V Current: 214 MA Speed: 19500 RPM
Voltage:DC12V Current: 265 MA Speed: 24500 RPM
Whtie fan parameters:Voltage range: DC 5V-DC9V
Weight: 4.5g
Rated voltage: DC 5V
Test data:
Voltage:DC5V Current: 143 MA Speed: 12000 RPM
Voltage:DC6V Current: 170 MA Speed: 14600 RPM
Voltage:DC7.2V Current: 196 MA Speed: 17500 RPM
Voltage:DC9V Current: 232 MA Speed: 20500 RPM
Package Include:
1PCS * fan