Koonie 10000mAh Portable Clip on Fan, 8 Inch Rechargeable Desk Fan, 360° Rotate & 4 Speeds USB Fans, Strong Airflow, Sturdy Clamp for Office Desk Golf Car Outdoor Travel Camping Tent Gym Treadmil Black

Powerful Battery Capacity: This rechargeable 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 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 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 can be fully charged within 6 hours. Coming with type-c charging port, the USB fan's charging port compatible with multiple devices including laptops, cell phone adapters, mobile power and USB charger.
Flexible Adjustment: The clip 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.