Portable Laptop/PC USB Cooler Cooling Fan. Pitch angle can be adjusted upwards or downwards. With key switch. USB Powered, no external power required. Plug and play, easy install and remove. Durable soft fan blades make you free of injury. Super mute. Air volume comfort, suitable to use for all seasons.Material: PLASTICSystem Requirements: USB PORTPack of: 1Color: BlueSales Package: USB MINI AIR COOLERPower Requirement: USBPowered by: USB
