General description This USB Desk Fan is a portable and rechargeable cooling solution designed for various environments such as home, office, bedroom, and outdoor activities. With its compact size and lightweight design, it is easy to carry and store, making it an ideal companion for travel and leisure. Technical specifications Battery capacity: 4000mAh Dimensions: 13.8 cm x 7.5 cm x 18.3 cm Weight: 0.4 kg Speed settings: 4 adjustable speeds Working time: 4-14 hours (depending on speed) Angle adjustment: 90 degrees Compatibility and accessories Includes USB charging cable Compatible with any device with a USB port (laptop, desktop, power bank, socket, power outlet) Usage Press the power button to change the speed settings Ideal for use in various settings: desktop, office, home, dormitory, camping, library, etc. Other information Quiet design with non-slip mats to reduce vibration and noise Detachable front cover for easy cleaning High-density grille cover design for safety,