Koonie 10000mAh Clip on Fan Rechargeable, 8-Inch Battery Operated Desk Fan, USB Fan with 4 Speeds, Strong Airflow Sturdy Clamp for Golf Cart Office Desk Outdoor Travel Camping Tent Gym Treadmill,Black

[Powerful Battery Capacity] This rechargeable clip on fan comes along with a 10000mAh battery that even can last up to 24 hours when fully charged. It is convenient to use the battery operated fan so you’ll never have to fuss with wires or cords.
[2 in 1 Fan] The portable fan combine clip on 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 Technology] This rechargeable fan is super quiet and able to blow out 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 Charging] This battery fan supports 5V-2A fast charging, which makes the 10000mAh battery can be fully charged within 6 hours. And the USB fan not only fit with Type-c charging port, but also its charging port compatible with multiple devices including laptops, phone adapters, mobile power and USB charger.
[Flexible Adjustment] The battery fan has a nimble head that can rotate 360 degrees vertically and horizontally. The portable rechargeable fan has 3 speed settings and 1 energy saving setting so you can direct the air however you’d like.