Innovate cooling fan one of the best laptop cooling fans in the world! Tips for extending the wire: Hold the cable with hands extend it to the expired length then release the wire freezes automatically. And the same to withdraw it. Unbelievable ventilation effect that helps boost suction power directly from your laptop's exhaust port. The result is a significant decrease in internal ambient heat levels.The advanced technology is similar/identical to those used in vacuum cleaners and tower/standing fans allowing it to move air without requiring any ridiculous noisy high speed level and is more efficient at removing heat where it is needed so precious battery power is not wasted moving air around uselessly like other laptop cooling pads - Allows faster extraction of the hot air out of a running system stabilizing the operation of the laptop and prolongs its lifetime - Universal lip for fastening USB power interfaces compatible for all major laptop brands - Compared with other bulky laptop cooling pads it is very suitable for storage and carrying - Simple styling elegant shiny paint finish and LED light decorations all enhancing the technological feel of the product - Pentacle exterior designs offer a mysterious touch of the product - 180-degree rotatable wind positions and two-speed cooling control allowing you to switch freely the fan speed and angle