COMPATIBILITYUSB is an easy and highly efficient power solution. You can plug in your computer, laptop, portable charger and other devices with USB output.ULTRA-QUIET DESIGNWith low decibel and stable operation, the mini fan with 6 blades made unique cutting process, which makes it ultra-quiet fan, and perfect for the office, home, dorm, study, library, and games room.POWER SAVING DESK FANThe mini desk fan only consumes 2.5 watts per hour and saves around 95% power than traditional AC fans. Easy on/off switch to control the fan.5 INCH MINI METAL FANAll ABS construction for durability. Increased blades design reduce normal fan noise by 40%, head pivots 360 degrees up and down.SERVICEIf you have any questions, please feel free to contact us, we are waiting to offer the best service as we can.