Pocket fan & 5 in 1 Power Bank: It is not only a handheld fan, but also a 5000mAh power bank. You can take it anywhere, perfect for outdoor activities such as attending a concert, watching NBA/World Cup/Football games, camping, boating, traveling. Super Sound-Off, Low Power Consumption: The foldable hand fan uses a brushless copper motor to reduce noise, produce strong and consistent airflow while maintaining the lowest decibel. The brushless motor can minimize loss through efficient power and conversion circuits, save energy and protect the environment. Portable Foldable Mini Fan: The portable foldable mini fan folds into half length, small and light , you can put it in your bag and take it with you. This mini pocket fan can support 180° angle adjustment. You can hold it in your hand or place it on a table to meet your needs at any time. Convenient charging - compatible with all USB output devices: The portable mini fan can be powered by all USB devices such as: B. Computer, output