[Cool Clip Fan Under Shirt] The bladeless waist mounted electric fan adopts a waist clip design and can be easily fixed on the waist and clothes. You can enjoy the cool airflow and free your hands for complete freedom of movement. [Double Clip Design]This portable waist clip fan adopts a unique double-clip design, which makes it convenient for you to carry the fan in various situations, such as outdoor backpack, worn on the waist, and hanging on the back during exercise. It keeps air flowing without drawing clothes into the fan [3-Speed Adjustable]The wearable fan-discreet waist clip air cooling features three modes so you can choose the perfect airflow for your preference and stay comfortable in any situation. Customize your cooling experience with this under shirt fan's multi-speed air settings. [Quiet Operation]Our 3 speeds strong airflow wearable personal clip fan operates quietly, allowing you to enjoy the refreshing breeze without any disturbing noise. Perfect for use in the office, classroom, library, or even during quiet times at home [10 Hours Ultra-Long Battery Life] The cool clip outdoor waist fan is equipped with a 4500mAh large-capacity battery, which can be charged via USB. When fully charged, shirt fan clip can be used for up to 10 hours of continuous use!