USB foldable cooler is convenient, reliable and comfortable to carry. Slim and smart design of the cooling pad system with large, high-performance and extra quiet 2 fans built-in which absolutely helps to dissipate the heat-air away from underneath the notebook computer for cooling down the overall temperature of your system. With special refinement construction, the cooling pad can bear any weight of notebook, which without in the least of affecting usage of notebook. Power source supported easily by the plug-and play USB connection as a self-power mode. No need for any installation. Compatible with any notebook computers. Type: USB Cooler Material: ABS Voltage: DC 5V Features: Foldable, Dual Fans, Universal, Cooling Dimensions: Folded: 17cm x 6.5cm x 2.2cm/6.69" x 2.56" x 0.87" (Approx.) Unfold: 27cm x 18cm x 2.2cm/10.63" x 7.09" x 0.87" (Approx.) Notes: Due to the light and screen setting difference, the items color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 2 x USB Cooler