Aluminum Laptop Cooler Pad with USB HUB

Aluminum Laptop Cooler Pad with USB HUB . Features:1.Cooling pad system with large high-performance and extra quite 3 built-in fans which absolutely helps to dissipate the heated air from underneath the notebook computer for cooling down the overall temperature of your system; 2.With special refinement construction, the laptop cooler can bear any weight of notebook with balance, which withought in the least of affecting usage of notebook; 3.Power source supported easily by the plug-and-play USB connection as a self-power mode; 4.Convenient, reliable and comfortable to carry; 5.No installation needed; 6.Compatible with 10 15 inch notebooks and laptops Specifications: 1) Built-in 3 high-speed and silent fans 2) Built-in4 USB HUB 3) Rated voltage: DC3V ; 4) Fan spec: 60*60*12mm, fan speed: 1500RPM+-10% 5) Air flow: 28CFM 6) Noise level:25dba;7) Rated voltage:3vDC;8) Power consumption:<0.9w;9) Rated current:<180mA;10) M.T.B.F.:20000hours.11) Material: aluminum. Packing details: Unit: colour box Qty/Ctn: 20pcs Carton size: 55*33*52CM NW: 17KG, GW:18KG