Lian Li NC-09 Aluminum Notebook Cooler Pad Hugh 220mm 5V silent DC Fan with Blue LED, Large steel mesh allows extra air-flow under the notebook Dual USB power connectors ( standard & mini ) with on/off switch. (User doesnt lost one USB port when they connect to the USB cable between NC-09 and their notebook, the linked dual USB port on NC-09 allows user to plug pen drive or USB device(loss than 300MA) while using the 220mm blue LED fan.) Three level height adjustment and Smooth base panel for user who want to use NC-09 on their laps. Desige for 12.1/14/15/17 High End notebook Dim: 400mm x 337mm x 34 mm (W,D,H)