This is a compact, battery-powered bladeless fan with a USB cable. - Brand: drug store's - Size: Approximately W11 x D5 x H4cm - Weight: 153.5g - Power: 5V/1A - Battery Capacity: 800mAh - Charging Time: Approximately 20 minutes - Usage Time: Approximately 30 minutes (high) / Approximately 35 minutes (low) Thank you for viewing. This is a bladeless fan. The built-in turbine rotates and draws in air, creating a strong airflow through pressure differences. Compared to fans with exposed blades, it reduces the risk of hair getting caught and prevents fingers or other objects from entering. You can easily make it compact by simply wrapping the neck strap around the main body.