Mini Portable Fan, 4000mAh Portable USB Fan, Long Battery Life, 6 Speeds Silent Fan Foldable Desk Fan with Lanyard for Office, Class, Travel, Outdoor

6 Levels of Wind Speed Adjustment to Enjoy Cool Summer: POIFL portable fan provides 6 levels of wind speed adjustment, from gentle breeze to strong cool wind, to meet the needs of different scenarios. Whether it is a soft air supply during a nap or a quick cooling after exercise, you can find the right wind speed and enjoy the comfort and freshness at all times! 24 Hours Ultra Long Battery Life: Equipped with 4000mAh large-capacity lithium-ion battery, it can work continuously for 24 hours at the lowest wind speed to meet the cooling needs in any weather. Supports USB charging port, compatible with computers, mobile power supplies and mobile phone adapters, allowing you to charge at any time. Ultra-quiet and undisturbed wind: With its ultra-quiet motor, the noise is only 20 decibels in operation, and the smallest gear is almost silent. Whether you are working, studying or sleeping, it offers you a quiet and comfortable environment, without noise interference. Smart Digital Screen & Smart Button: The smart digital display shows real-time battery charge (0-100%) and fan speed(1-6 levels). Equipped with a smart button, it is easy to operate, just press the button to change the wind speed. No matter how fast the wind is, press and hold the switch for 2 seconds to turn off the fan. 105° Foldable Design, Full Air Supply: The unique 105° foldable design not only allows it to firmly place it on the desk, but also provides a more complete air supply range than traditional 90° fans, keeping you twice as cool. With a smooth and uniform air supply design, it avoids the discomfort caused by direct blowing and protects your health and that of your family. EASY TO CARRY & WIDELY USED - The small fan is compact and can be easily put in a pocket or backpack, keeping you cool when you study, work, travel, attend music festivals or other celebrations. This small fan is perfect for family, friends, classmates or neighbors.