Qich Mini Vacuum USB Air Extracting Cooling Fan Cooler for Notebook Laptop Computer Components Mini Vacuum USB Air Extracting Cooling Fan Cooler for Notebook Laptop Compact, stylish, innovative design. Allows faster extraction of the hot air out of a running system, which stabilizes the operation of the NB and prolongs its lifetime. Universal clip for fastening USB power interfaces, compatible for all major NB brands. Rated Speed: 380010%RPM (MAX), 300010%RPM (MIN)