Illuminated fan on the ventilation grille for notebooks powered by a USB connector. Mounted directly to the side or rear ventilation grille. It removes the heat generated by the notebook, cooling it and lowering the operating temperature of its components, which ensures stable operation and longer battery life. The set includes 4 silicone overlays. LED backlight Air flow: 12 CFM Fan speed: 1800rpm Noise level: 35 dB Power: DC 5V (USB) Cable length: 60cm External dimensions: 185 x 85 x 45 [mm]