1.Aluminum alloy is convenient and foldable. The all-aluminum alloy material provides strong support without tipping. High-frequency typing is stable and does not shake. 2.Double fan blades are more powerful. Aluminum alloy bracket is stable and non-slip. It is easy to fold. 3.Silent large fan, silent cooling at high speed, high-speed silent fan, even at high speed, it will not disturb you. 4.The baffle has silicone protection to prevent scratches and slipping. The contact surface is covered with multiple silicone pads to prevent slipping and protect against scratches. 5.Double shaft design, double shaft adjustment angle. Model Number:T619 Heat dissipation: blowing type heat dissipation Colour:silver Material:ABS+Aluminum Alloy+Silicone Size:24.2x22.9x5.3cm Package Contents: 1 x Laptop Stand Cooling 1 x USB 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.