[Ultra-quiet operation] - With silent motor and noise reduction technology, our foldable handheld fan runs less than 20db, allowing you to enjoy the even with the on without being while resting or working. [Strong Wind and 5 Speed Settings] - With built-in copper brushless motor, this small fan is powerful enough to emit strong wind. Mini fan has 5 adjustable fan speeds; just press the power button to change settings. [Rechargeable Battery] - Powered by an upgraded rechargeable battery, the handheld fan can be charged via a wall charger, power bank, or computer via USB cable. [Multifunctional Personal Fan] - Not only can you keep it at hand, you can also hang it around your neck with a lanyard to free your hands. Additionally, you can fold it up and place it on your desk as a small desktop fan, rotating 180 degrees. [Visual digital display] - The eyelash fan is equipped with a high-definition digital display that displays the current wind speed and remaining battery power, allowing you to adjust it as needed at any time.