Universal Notebook Fan Cooler USB Air Cooler Extracting Extractor CPU Cooling Notebook For Laptop 17 15.6 15 Inch Cooling Fan Main Features: 1. Adjustable speed and low noise, easy to us. 2. Equipped with 3 different sizes of the air guide, suitable for various notebook 3. Slim size and light weight, convenient and seal. 4. Super powerful dual sides skid-resistant effect, more firm and convenient. 5.Not only cool your computer but also extend it's service life Over high temperature is a fatal danger for you computer, which may cause the burn of the main-board and proceor. 6. Compared with the previous, this product is to be able to shine. 7. Coolcold 3 mini is smaller than Coolcold 3. 8. Adds a silencer, makes le noise! Specifications: Product model: Coolcold Ice Magic 3 Mini (lighted version) Product size: 110 X 76 X 38 mm Fan size: 6025 Product weight: 250g Fan speed: 2000-410010%RPM Maximum air volume: 75.35CFM Rated voltage: 5V Rated current: 0.410%A User tips: Begin to use, in order to fast cooling, open to the largest (3000 RPM), temperature drop down, About 15 minutes, transferred to the minimum (1500 RPM) remains constant, so that we can keep in a reasonable working temperature, and can prolong the service life and lower noise. Common problem: Q: power supply way? The power cord length? A: use USB 5 v power supply, wire about 60 cm long. Q: this product has several silica gel set? A: in order to meet the requirements of different computers, configuration of four different sizes of silicone sets