1.It is lightweight, portable and easy to store, stable and not shaking, and has a hollow heat dissipation design at the bottom. 2.Scientific triangular support, stronger load-bearing capacity, stable center of gravity and no dumping. 3.The hollow design of the contact surface makes the computer dissipate heat faster, reduces caton, and makes it more comfortable to use. 4.The bottom and contact surface are provided with silicone pads, which effectively prevent sliding and wear and damage. 5.Reasonable viewing angle, effectively adjust the healthy and comfortable sitting posture. Material: aluminum alloyColor: black, silver, gray, pinkPackage size: 26.5* 23.5*5CMPackage contents: Bracket*1