*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*3    Mini-USB2.0/1.1*3(power supply)                                 *Current: 0.22~0.038A                  
*Power: 1.75W                        
*Adapt to laptop size: 17inch or less