1aluminum laptop Cooling pad with one fan and 4 hubs
2.Unique anti-slip design
3.Premium material and unique mechanis

1aluminum laptop Cooling pad with 4 fans  and 4 hubs

ñSupport size:17"laptop            
¡ñ4 USB Hub 2.0 ports                     
¡ñRandom height adjustment 
¡ñPure Aluminum surface             
¡ñBuilt-in 4 cooling fans
Material:Aluminum+ABS                                                    
Product Size:390*300*£¨22-55£©mm(L*W*H)                   
Weight:1600g                                      
Fan Dimension:70*70*15mm                                 
Rated Speed:2500RPM¡À10%                                
Air Flow:30CFM                                               
Noise Level:23DBA                                               
Life expectancy:30000 hours
1PCS/BOX                 
10PCS/CARTON                            
C/N M:68.5*44.5*33.5CM                              
N.W.:16KG/CTN                                
G.W.:17KG/CTN