... , on/off fan switch USB hub Cooling laptop with a big 12 cm fan and enhancing its sound ... , 1.5WDimensions: D329*W300*H53.5mmFeatures:Ergonomic2.0 speakers integratedVirtually silent airflowVolume controlOn/off switch for fan3.5 ... Cables Stereo audio cable: Black, 1.5 m with 3.5 mm audio jack (lime green, WHQL) ... USB power cable: Black, 1.5 m with USB A-type plug (black)Speaker to speaker cable: ...