Features: Precise Speed Control: Adjust your cooling experience with 3speed settings - from a gentle breezes to a turbo-charged gust, it's all at your fingertips. Rechargeable Portable: Equipped with a long-lasting USB rechargeable batteries, this fan is perfect for use at home, in the office, or while traveling. No cords, no hassle Versatile Wall Desk Design: Easily attach it to your desk, shelf, treadmill, or any other surfaces. The sturdy base ensures it stays securely in place wherever you need it. 180° Adjustables Design: Direct airflow exactly where you need it with the flexible head that rotates to your preferred angle. Quiet Energy-Efficient: Enjoy a peaceful environment with whisper-quiet operation, perfect for work, sleep, or relaxation. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Battery capacity: 4000 mAh Rated voltage: 5V/1.8A Package List: 1x Fan