USB Powered Clip on Fan: This battery-powered fan is powered by a built-in rechargeable 1500mAh lithium battery, providing a long-lasting and reliable cooling experience. 3 Speeds Strong Airflow: With 3 adjustable speeds (low/medium/high), you can customize the airflow to suit your preferences. Whether you need a gentle breeze or a powerful cooling breeze, this fan has you covered. Compact and Portable: The fan features a compact and design, making it easy to carry and use anywhere. Its sturdy clamp allows you to securely attach it to your desk, treadmill, or any other . Quiet Operation: The fan operates quietly, ensuring a peaceful and relaxing environment. Whether you're working, studying, or sleeping, you 't be by the noise. USB Charging: The fan comes with a USB charging cable, making it convenient to charge your devices. No more searching for multiple chargers or dealing with tangled cables. Power mode:USB Number of fan blades:3 pieces Wind speed gear:3 gears Built-in battery