ETS IETS GT100 LED USB High Speed Cooling Fan Cooler 12 Level for Laptop Notebook   We want you to have a more comfortable experience while using laptop play games. As we know、 when laptop gets too hot、 it would become slow. Using this cooler can lower at least 30*f . It's no bigger than a phone、 you can take it with your laptop wherever you go. It has two modes.Manual mode has 12 levels、 you can choose the suitable level. Press “+” and “-” to change the speed of fans. Auto mode works depend on the temperature of your laptop.                    Specifications:   Brand NameL: ETS   Brande Model: IETS GT100   RPM:5000R\/PM   Diemension: 88mm x 80mm x 39mm   Length of Power Cable:0.7 M    Package included:  1 x ETS IETS GT100 LED USB High Speed Cooling Fan   3 x Silicone case  1 x USB Cable  2 x Fan Base  1 x Strainer