The Nordic Fan Light Sound USB Charging Fan is a versatile and portable fan that is perfect for students, offices, and homes. With its built-in 2000mAh battery, it can provide a long working time and is suitable for camping and travel. It can also be conveniently charged via USB, allowing you to plug it into a power source for continuous use. One of the standout features of this fan is its super silent operation. The unique upgraded blade design ensures a minimum noise level of just 36dB, making it quiet enough for a comfortable working or studying environment. Despite its quiet operation, it still provides a strong and cool breeze. The fan offers 5-level adjustable wind speed, allowing you to customize the airflow according to your needs. It is generous and quiet, ensuring a calm and sufficient airflow. The brushless motor and 8-inch fan blades further enhance the fan's performance, providing a gentle and headache-free breeze even after extended use. In the package, you will receive the built-in battery fan and a USB cable. The fan is equipped with a 2000mAh large battery, providing a battery life of over 4 hours. It has a compact size of 6.49 * 5.31 * 8.66 inches, making it easy to carry and store. Key Features: Built-in 2000mAh battery and USB charging Super silent operation with minimum noise level of 36dB 5-level adjustable wind speed Brushless motor and 8-inch fan blades for enhanced performance Compact size for easy portability Battery life of over 4 hours Includes fan and USB cable Suitable for camping, travel, and work