Features: brand new and high quality The X series X chassis cooling fan for touch switch has three gears, and is equipped with a 20cmt-c data cable to connect the fan with the USB interface behind the host. Professional cooling fan: The fan speed is 3000-5300rpm, which can minimize the noise or maximize the air flow. The vertical air flow channel is designed for the air flow of the host and fits the air flow channels at the four corners at the bottom of the host to cool smoothly from bottom to top. Upgrade cooling fan: built in 2 turbo speed fans, don'for t worry about overheating your X series X machine. The for touch switch has 3 gears, the speed of wind can be adjusted, and LED indicators of different colors show different states. Green light: high speed. Blue light: medium speed. Orange light: low speed. There are 3 USB ports outside the fan, which are not controlled by the for touch switch. When the X series X fan is powered on in standby, the USB port can also work normally to improve the service for time of the fan; It can also supply power to controllers or other electronic products. Specifications: Material：ABS Input: 5V 2.6A Packing Weight: 0.28kg Fan Speed : 3000-5300RPM Size: 15.5x15.5x3CM/6.1x6.1x1.18in Package Includes: 1 x Cooling Fan. note: Please allow 0-1cm error due to manual measurement. Make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!