Specifications 100% Brand New. Dimension : 27.5 X 22.5 X 1.6cm USB as power source Cool blue light with stylish design Air Flow : 30 CFM Speed of 3 Fan USB Cooler: 2800rpm fan : 6 X 6 X 1.5cm Truly plug-and-play, hot swappable Perfect for portable user Works fine for laptops either smaller or larger than its size Crystal Cooler system pulls heat away from the notebook and prevent the CPU from overheating during use Notebook Cooling Pad support low noise