Features:  -  Large metal mesh has good heat dissipation performance, strong and can let air flow through quickly.  -  Four different angles can adjust the screen to a comfortable height.  -  Use low noise turbine motor to reduce noise and give you a quiet space.  -  A folding baffle is set at the bottom to prevent the notebook from sliding at will and protect the machine from damage.  -  Metal heat dissipation bracket, fast heat conduction, strong heat absorption, more efficient cooling.  -  Anti slip silicone, more stable and anti-skid, with better anti-skid performance.    Specifications:  Material: metal + ABS;  Product Size: 350*250*27mm;  Net Weight: about 644g;  Color: black;  Fan Size: 14cm, large fan * 2;  Fan Speed: about 140*15 (1, 2pcs);  Working Current: 0.22A;  Working Voltage: USB5VDC;     Package Include:  1 x Notebook Computer Radiator