Brand new and high quality. Slim and smart design of the cooling pad system with large, high performance and extra quiet one fan 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. Extremely heavy-duty construction of the cooling pad to afford any weight or pressure put-on. Power source supported easily by the plug-and-play USB connection as a self-power mode. Convenient, reliable and comfortable to carry. No need for any installation. Fit to 12” size following laptop. Air flow: 28FCM. Speed: 2300rpm. Noise level: 15dBA. Rated voltage: DC 5V. Power consumption is below 0.9W. Rated current should be below 180mA. M.T.B.F.: 20,000 hours.