Logisys NP2000BK Notebook Cooler Pad w/2 70mm Fans, 120mm Blue LED Fan & USB Hub (Black) Logisys NP2000BK Notebook Cooler Pad General Features: Color: Black For notebooks up to 15.4-inch Sleek steel and aluminum mesh combination design USB powered Three (3) fans total One (1) large 120 mm blue LED fan Two (2) 70 mm fans Manual power On/Off switch Rated voltage: 5 VDC Operating Voltage: 4.5 ~ 5 VDC Rated Current: 0.35 10%A Power Input: 1.75W Maximum Air Flow: 74.35 CFM