... powered notebook cooler 4. portable cooler 1.computer Aluminum notebook cooling pad with 3 fans, notebook cooler, laptop cooler, cooler pad, cooling pad ... anywhere.3. with USB connection.4. can work with different size computer, from 12inch to 17 inch.5.material is plastic or Aluminum alloy ... .6. 2 fans or 3 fans, some model is one fans.7. with one and offer switch ...