Description:

aluminuium bottom 3 fan
aluminuium bottom 4 fan with 4port HUB

Features and benefits:
Slim and smart design of the cooling pad system with large,high-performance and extra quiet 3 Fans built-in which absolutely helps to dessipate the heat-air away from underneath the notebook computer for cooling down the overall temperature of your system
Extremely heavy-duty construction of the cooling pad to afford any weight or pressure put-on
Power source supported easily by the plug-and-play USB connection as a self-power mode
Convenient,reliable and comfortable to carry
No need for any installation
Compatible with any notebook computers

Specifications:
Air Flow:28CFM
Speed:1500rpm
Noise level:25dBA
Rated Voltage:DC5V
Power Consumption:<0.9W
Rated Current:<180mA
Fan:60*60*10mm(L*W*H)
M.T.B.F:20,000Hours
Size:300*230*13.8(L*W*H)