LB1 High Performance New Super Cooling Fan Cooling System Cooling Pads Foldable Plastic Gadget with 2 Fans (Pink) for Dell Inspiron Laptop Notebook Series Two fans provides more air flow.High thermal heat dissipation prevents overheating.Great ergonomic shape for simple type. Cool blue light with stylish design.Foldable - Lightweight and compact - Perfect for portable user. Great ergonomic shape for simple type.Plug-and-play: no drivers or software needed.Rated Voltage: DC 5V.