USB Rechargeable Fan: The mini fan is USB rechargeable, you can directly connect it to PC/Laptop, power bank, AC adapter, car charger or other USB supported power sources. Small fans are more energy efficient and kinder to your electricity bill. The small table fan with Low/mid/high 3 speed provides you more choices in different temperature environments. Equipped with 3 fan blades and copper motor, the silent desk fan provides powerful and ultra quiet wind at a stable speed to cool you down quickly, but without disturbing your sleeping. This rechargeable fan built-in 1200 large capacity battery. you can get a power supply from the laptop, power bank, or other USB devices that allow the USB small fan never shut down. The whole room circulating fan helps saving energy by increasing airflow and allowing your room get faster circulation. The strong multi-direction circulation airflow distributes cool and warm faster to save the bill.This quiet fan makes it easy to store, into your