Adjustable Speed Settings: Choose from 1-100 speed levels for customized cooling, perfect for any situation. Powerful 3000mAh Battery: Enjoy extended use with a high-capacity rechargeable lithium battery, providing lasting performance. USB Rechargeable: Conveniently charge via USB, compatible with most devices for hassle-free power-ups. Digital Display: Easily monitor speed and battery status with a clear, modern digital screen. Durable Metal Body: Built to withstand daily use and travel, this fan combines sleek design with robust durability.