... 3.usb powered notebook cooler 4. portable cooler 1. Single big fan computer cooling pad for laptop, notebook cooler, laptop cooler, cooler pad, cooling pad, computer cooling pad ... anywhere.3. with USB connection.4. can work with different size computer, from 12inch to 17 inch.5.material is plastic ... fans.7. with one and offer switch.8.Speed: 2500±10%RPM9. in colour box package, OEM order is welcome, ...