1. Dual fan cooling: laptop cooling rack, fast heat dissipation, lower laptop temperature, and improve laptop operating efficiency. 2. Silent design: Select motors, strong wind and high speed. Fast rotation is still silent. 3. Ergonomic design: 18.9 elevation angle design based on ergonomics, optimizes viewing angle, improves sitting posture, and brings a worry-free laptop experience. 4. TYPE-C jack: The fan matches the regular standard TYPE-C jack, making charging more convenient 5. Wide compatibility: Compatible with most laptops and tablets, suitable for 11-17-inch laptops. Colour:Deep Space Grey Material:aluminum alloy Tips: The product may be updated constantly ,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use Package Contents: 1 * heat sink bracket 1 * data cable Only the above package content, other products are not included. Note: Light reflection 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.