Dimensions: 25*25*10mm,30*30*10mm,40*40*10mm
Suitable Voltage: 5V ~ 7V DC
Rotating speed(RPM ):
13000RPM~14500RPM (30*30*10MM)
7000RPM~8500RPM (40*40*10MM)
Double ball bearings, Japan NMB bearings

Package included:
1 x Cooling Fan

Note:
1).You satisfactory is our only prsuit. Your feedback is extremely important to us.
2).Please kindly leave us positive feedback once you're satisfied with your purchase.
3).Please don't hesitate to contact us if you're unhappy with your buy, we'll solve all the problems with you.
4)We have time difference,if you contact us, Please give us some time to solve your proplem.
4)As seller,we hope you can get the goods quickly instead of making you angry .We are far away from you.Sorry and Thank you