[Seal rubber ring enhances cooling effect]: The seal ring and blower are designed to create an excellent cooling effect. Suitable for 14-15 inch laptops, it is the best choice for gaming laptop cooling. [Air filter to effectively prevent dust]: Equipped with two air filters to prevent dust from accumulating in the laptop. The filter is easy to disassemble and clean. [Seven-color lighting]: It has seven colors of light, four light es, and the light can be turned off. [Adjustable bracket height]: In accordance with ergonomic design, the bracket height can be adjusted to avoid damage to the spine. [Third gear transmission] There are three wind speed adjustments. When playing, the high-speed gear has a good cooling effect, and the low-speed gear in the office is energy-saving and environmentally friendly colour: black Material: plastic Package Contents: 1 x Laptop Cooling PadOnly 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.