Micro USB Fan is the perfect solution when you are hot and need cool air blowing on your face while on your smartphone. The cooling unit has two soft plastic rotating blades that are each 1.5 inches long, providing enough air movement to blow a fresh breeze and cool you down. The fan is small, compact, and weighs about an ounce, its motor speed can reach 16000 RPM, has a 5v voltage and 80 MA current, and can run continuously for longer time period. Light weight, portable use and easy to carry outdoor Can be used on power bank, laptop, notebook, car charger and other devices with USB port It is easy to use and cool with plug-and-play logic Environmentally safe and feel good Slim design, Desk, bed, outdoor, wherever you are, it offers convenience Detachable design, can be placed in the pocket of a small fan. Flexible and Portable Enjoy the innovation of air through USB the cooling unit has two soft plastic rotating blades that providing enough air movement to blow a fresh breeze and cool you down For Laptop, PC or PowerBank. Can be used with Mobile with OTG.