Connectivity: Usb Powered With A Usb Port To Expand Connectivity , Use As Usb Hub -- 3Ft Usb Cable Included. Adjustable: Doubles As Angled Stand With 6 Height Adjustment Levels -- Anti-Slip Design. Convienient: Holds Any Notebook From 12 To 17" -- Slim And Lightweight For Portability. Powerful And Quiet: 5 Ultra Quiet Fans With Blue Led Lights -- 1 (120X120X25Mm), 4 (70X70X15Mm) -- Fan Speed 1 (1000 + 10% Rpm) 4 (2000 + 10% Rpm) -- Air Volume 74.35 Cfm. Maximum Protection: Otimo Laptop Cooling Pad Is A Laptop Overheating Solution Which Uses Continuous Cooling Fans To Draw Heat Away From Your Laptop.