2019 New USB Desk Fan Three Speed Settings, Super Quiet, 360° Up and Down, Perfect for Home USB Powered &three Speed Settings:USB Desk fan comes with a standard 5V USB port, which can be powered by an AC adapter or by connecting to a USB port. You get the speed control function with its three speed-settings feature, allowing you to choose the speed of the wind you prefer. Ultra-quiet design: DC Brushless Motor design makes this mini personal fan an ultra-quiet fan, making it perfect for the office, home, dorm, study, library, and games room. You only get the cool breeze; there is no room for noise. Portable:doesn't take up desktop space, making it optimal even for office use. Power Saving: Designed to save your money on electricity bills. The fan runs on low power. It can even be powered by USB. 360°rotation: The 360 Degrees rotation feature with adjustable tilt, makes this fan directs the airflow where you want it.