Quiet and Efficient Cooling: Features a high-quality brushless motor for noise-free operation. Auto-Rotation & Adjustable Angle: Provides 360° auto-rotation with the option to manually adjust the vertical angle for targeted air circulation. Rechargeable and Portable: Powered by a 4000mAh battery with 2.5 to 14 hours of operation on a single charge. Recharge easily with a 5V 1A input. Compact and Stylish: The sleek, robot-inspired design fits seamlessly on any desk or tabletop. Product size: 165165109mm, Net weight: 670g. Three Speed Levels: Customize your cooling experience with 3 adjustable wind speeds, from a gentle breeze to a strong airflow. Durable Build: Made from high-quality ABS material, ensuring long-lasting durability and resistance to daily wear and tear. Quick Charging: A full charge in 4-5 hours keeps the Robo Cool ready to go whenever you need it.