For a new product c inadmisible is not counting the loss of a USB output ...
For 9.90 I highly recommend a USB fan that here
Mini USB Fan with LOGO HEDEN - Diameter 9.6 cm - USB powered - Silencer - Swivel - Compatible with PC, notebook, netbook, Apple Macbook, iMac, PS3, XBOX360, ... of HEDEN
Powerful and ultra-quiet and can also be used on other stuff like d amp