Characteristics and Interoperability H688 Stand: 360° Rotating Laptop Stand Bracket with Air Flow Cooling Fan and Notebook Phone Holder for Ergonomic Design H688 USB-powered foldable bracket laptop cooler tablet stand Simply plug in and play Compact and useful lightweight and manageable Refrigeration The mesh and fan design of your USB-powered, plug-and-play laptop effectively disperses heat, preserving its functionality and prolonging its lifespan. Transportable Style Depending on your actual needs, the laptop riser can be easily adjusted to a comfortable height and angle. In addition, you can fold it up and store it in your laptop bag for portability on business and travel trips. 8 Height-Adjustable The laptop riser's adjustable height can be set to a comfortable level depending on