Long Battery LifeThe portable USB fan is equipped with a built-in 2000mAh rechargeable battery, you can enjoy a cool afternoon after being fully charged, and the battery-powered fan can make you enjoy it while traveling, commuting, camping and other outdoor activities. 2 in 1 designWith this mini fan, you have a power bank + fan at the same time. The fan adopts brushless DC motor, which has high speed and low noise, and runs smoothly and quietly. Multifunctional design can meet your different needs at the same time. Safer DesignFolding fan blades are made of special soft TPE material with current sensing function. If the fan encounters an obstacle during operation, it will automatically stop, ensuring your safety. The portable fan adopts USB rechargeable design, which is more environmentally friendly. Easy to CarryThe rechargeable fan has two wind speeds that can be adjusted, providing more choices, you can choose the wind speed you like at will. Folded to the size of the palm of your hand, this table fan takes up no space and fits easily into a jacket/pants pocket, slipping easily into a bag and taking it anywhere. Dual Purpose DesignThe foldable fan has a sleek appearance and a compact design. When unfolded 180, it is a hand-held fan, which is convenient for moving around and playing outside; when folded 270, it is a desktop fan, convenient for indoor and office use.