5 LED fans make the heat dissipation faster, the fan has built-in LED lights.     Dual USB ports, USB power supply, plug and play, without occupying the laptop USB port.     Cool RGB lighting effects on both sides of the laptop cooler, a better experience.     Humanized design, mute heat dissipation design, large wind and low noise.     Ergonomic design, 7 levels of height adjustment to meet various needs.          Strong compatibility, suitable for the use of 12-17 inch laptop computers, even if the size of the laptop exceeds the size of the cooler, it will not affect the heat dissipation at all.     Colour: black     Material: plastic + iron     Size: 410 x 270 x 30MM          Package Contents:     1 * Laptop Cooler          Only the above package content, other products are not included.     Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.