Thermaltake Mobile Personal Fan 12 External USB 120mm Fan $12.36 Amazon prime free shipping
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Not a good price
Get ready for summer!
Application for Notebook and Desktop, Anything can connect to USB Power
Convenient cooling solution for "Mobile user".
VR knob : Adjust fan speed manually.
One-touch retractable USB power cable box.
Directly plug into USB port. Unnecessary additional power supply .