Powerful Wind and Low Noise - This clip-on fan has a built-in upgraded brushless motor, which is small but powerful, and the airflow can be felt from 10 feet away. The maximum working decibel is only 40db, which will not disturb you at all when you are working or sleeping. Sturdy Clamp - Clamps easily to any surface and can be adjusted to point in every direction even when running upside down. This personal fan features an easy-open clip that attaches to objectives up to 2.5 inches thick. High Compatibility USB Powered: The fan is powered by USB cable, compatible with PC/laptop, power bank, AC adapter, car charger and other USB-enabled power sources. The USB fan is energy efficient and environmentally friendly. SPACE SAVING DESIGN - The 6-inch compact clip and desk 2-in-1 fan fits in any room corner without taking up too much space, making it a welcome addition to your bedroom, study, office, and more. 360 Degree Rotation - 360-degree vertical and 120-degree horizontal adjustment, enjoy cool air from any direction, keep you cool all the time. Built-in 2000mAh battery/use time 3H, outdoor camping + wall hanging + clip + desktop multi-scene use, detachable cover/90 degree shaking head/foldable, product size/Product size 144.5*125*249mm