OPOLAR LC-06 laptop cooler is the best way to keep your laptop cool and free from overheating. Innovative & compact design, LED temp-display,13 different fan speeds and two-way installation make this cooler stand out from the rest. Your laptop will thank you as stays cool while you do intensive activities like play games, watch HD movies or run a large number of applications. Compatibility and usability: Self designed PCB electric board, top-class Japanese dual-ball turbo and brand-new ABS industrial plastic, make sure the LC05 last over 5000 working hours, which is 2 to 3 years for a heavy user and even longer for normal utility. The cooler uses 3 silicone shrouds making it suitable for most laptops with vents on the sides or rear. The clamping arms are a creative way to keep laptop cooler firmly attached, enabling it to move or hang in the air - perfect if you move your laptop around for work or at LAN parties. Smart and quiet operation: You can adjust the fan speed with two different modes - automatic and manual. In automatic mode, the cooler intelligently adjusts the suction according to the temperature generated by the laptop and auto stand-by when the laptop is powered off. You can manually adjust the speed with 13 different speeds available, with the maximum speed being up to 5000 revolutions per minute. The fan is very quiet and makes little noise, not more than 70dbm, even at the fastest speed. What's in the box: 1 laptop cooler (unit: LC06), 1 USB cable, 1 plastic plate, 1 metal junction plate, 1 x 3m fixing glue, 4 foot pad, 3 silicon shroud, 1 dust-proof filter and 1 user guide.