Fan Light Sound USB Charging Fan Student Office Home 2000mAh Features: Battery and USB charging fan: The fan has a built-in battery power supply and USB charging fan, with a built-in 2000mAh battery. It has a long working time and is a portable fan suitable for camping, travel, and other work. You can also plug it into a power source to work continuously. Super Silent Fan: Unique upgraded blade design. The minimum noise of this desk fan is close to 36dB. This mini fan is quiet enough, but still strong enough to bring cool wind and provide you with a comfortable working environment. The perfect choice for work and study. 5-level wind speed and low voice: The speed of this desktop built-in battery fan can also be adjusted between 5 level according to your needs. It is generous and quiet, ensuring a calm motion of gas that is sufficient to meet needs. Packaging content and customer service: You will receive a built-in battery fan and a USB cable. Brushless motor and 8-inch fan blades: Brushless motor has a lower sound airflow. The 8-inch fan blades will bring more wind to you, with a gentle feel and no headache even after blowing for a long time. 4-15 hour battery life: The fan is equipped with a 2000mAh large battery inside, providing a battery life of over 4 hours. Product Description: Fan blade size: 10.49 inches Speed regulation: 5th gear Battery: 2000mA Motor type: Brushless motor Fan blade material: plastic Noise: below 37dB Power: 10W Voltage: 5V Range: 4-15 hours Size: 6.49 * 5.31 * 8.66in Including: fan * 1, charging cable * 1 Small Size, Big Function - Combining a Fan, Flashlight, And Backup Power Source, It'S a Must-Have to Keep You Cool on Hot Summer Days, While Offering a Variety of Functions to Meet Your Every Need. Palm Size - The Portable Fan is Uniquely Designed and About the Size of Your Hand, It Can be Easily Placed in Any Bag and Convenient to Carry Around, It is a Must-Have for Your Travel and Summer! Good Temperature Down Effectively - A Single Charge Can Keep the Temperature Down Continuously for a Longer Period of Time, This Handheld Fan Ensures that You Will Stay Refreshed During Your Travels, Concerts, And Outdoor Adventures, It is the Perfect Companion for Your Summer Vacation! Multiple Uses - The Handheld Small Fan Can be Carried in Your Hand, Or Placed on a Table, Or Hung Around Your Neck with the Included String, It also Automatically Adjusts the Wind Speed to Meet a Variety of Use Scenarios, And the Foldable Design is Convenient for You to Carry it When You are Traveling. We Attach Great Importance to Product Quality and Customer Experience,If You Have Any Questions About the Product, Please Contact Us Customer Service,We Will Provide You with Satisfactory