*Color: Black Fahion                                                  
*Material: plastic, rail network,rubber                    
*Weight: 0.8kg                                       
*Size: 370*270*36~54mm                       
*Fan dimension: 140*15mm                              
*Fan speed: 700~1400±15%                          
*Wind flow: 35~70CFM                                
*Noise: 16~21dbA                                  
*Power supply: USB 5V DC                                    
*USB interface: USB2.0/1.1*1   Mini-USB2.0/1.1*1(power supply)                       
*Current: 0.22~0.38A                             
*Power: 1.75W                               
*Adapt to laptop size: 17inch or less