Name: USB FanMode: F-18 Brief Introduction:-New USB fan is the best choice for the notebook-The USB fan leaves are made of soft PVC, touchable and won’t cause harm-Considering the cosmetology principle, this USB fan can use under all angles and environment-It brings you convenience as it use common USB connector designSpecification & Size:Tube of length 17.5cm, Base size: 9*5.5*4cmUnit weight: 138.8gUnit packing weight: 171 g