Material Plastic, Metal Mesh, Rubber Weight 720 g Dimension 390 x 310 x 20~47 mm Fan Speed 1400 +-15% R.P.M. Fan Speed Adjustment Single speed Fan Airflow 70 CFM Power USB 5V DC Power consumption 0.38A, 1W Compatibility Support all 17” and smaller laptops Features Ultra slim and lightweight design for easy carrying. Ergonomic design for best viewing/typing angle. 160 mm silent fan with superior airflow provides best cooling performance. Full range metal mesh and aerodynamic design air intakes. USB port extender design keeps your USB ports intact. Cable grooves for easy USB cable management. Compatible with all 17” and smaller laptops.