Powerful Battery CapacityThis rechargeable fan comes along with a 10000 mAh battery that even can last up to 24 hours when fully charged. It is convenient to use the battery operated fan so youll never have to fuss with wires or cords.2 in 1 FanThe combine clip fan with desk fan. With a strong 3 inch clamp that allows them to attach to unusual places, such as the edge of a desk, the frame of a treadmill or even a nightstand for those who tend to get overheated.Super TechnologyThis rechargeable fan is super quiet and super strong airflow. The battery powered rechargeable fan is equipped with three 8-inch blades, which can swirl faster. With special technology, which is pretty quiet when working even at high speed whenever your baby is sleep or you are working.Fast ChargingThis battery fan supports 5V-2A fast charging, which can be fully charged within 6 hours. Dual charging ports of the usb fan including micro type-c port & micro USB port. The USB charging port compatible with multiple devices including laptops, cell ph adapters, mobile power and USB charger.Flexible AdjustmentThe clip fan has a nimble head that can rotate 360 degrees vertically and horizontally. The portable rechargeable fan has 3 speed settings + 1 energy saving setting so you can direct the air however youd like."