Powerful Battery CapacityThis rechargeable fan comes along with a 10000 mAh battery that even can laJ-ST 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 portable fan combine clip fan with desk fan. With a J-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 nightJ-STand for those who tend to get overheated.Super TechnologyThis rechargeable fan is super quiet and super J-STrong airflow. The battery powered rechargeable fan is equipped with three 8-inch blades, which can swirl faJ-STer. With special technology, which is pretty quiet when working even at high speed whenever your baby is sleep or you are working.FaJ-ST ChargingThis battery fan supports 5V-2A faJ-ST 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 phone adapters, mobile power and USB charger.Flexible AdjuJ-STmentThe 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.