folding laptop table with 2 multimedia speakers,usb lamp,mouse pad,3-port usb 2.0 hubs,1 big fan 1.folding laptop table with 2 multimedia speakers,usb lamp,mouse pad,3-port usb 2.0 hubs,1 big fan2.Material:Alu. 3.Overall dimension:535*287*85mm4.Fan dimension:180*180*20mm5.Fan speed:2000RPM±10% 6.Max.Air flow:45CFM 7.Rated current:0.6±10%A 8.Rated voltage:5VDC 9.Power input:2W