Material and weight: built from ABS plastic for durability, this waist fan weighs about 249 g and operates in a quiet mode for unobtrusive cooling. USB charging compatibility: easy to power up via USB with power banks or computers, enabling flexible charging options. Cooling performance: portable waistworn design with multiple speed airflows, builtin LED lighting, and an extended battery to support uninterrupted outdoor use. Versatile applications: suitable for camping, backyard relaxation, office desks, or tent installations; airflow is adjustable across multiple settings to match conditions. Target users and benefits: ideal for construction workers, commuters, and anyone needing climate control during extended outdoor activity or indoor tasks; reduces heat fatigue and enhances comfort without occupying hands. Use scenarios: Camping or outdoor activities: wear the fan at the waist for hands cooling while setting up camp or moving around the site. Office or indoor tasks: place it to provide cooling at your desk with convenient USB charging. Tent installations or outdoor gatherings: use the adjustable airflow and LED lighting to stay comfortable during setup or while relaxing outdoors.