TFSeven Handheld Electric Fans Mini Portable Fan with Rechargeable 18650 Battery Foldable Handle Umbrella and Desk Clip for Home and Travel Mini Foldable design; can be used as a desktop fan or handheld fan. With a hanger can be attached to umbrella. Unique design, creative style, made of high-quality ABS, has a solid structure and pressure-resistant. The advanced power management technology provides a variety of power supply. Use USB directly or battery-powered Be free to turn down or turn up air volume with the stepless speed technology. Efficient power and conversion circuitry can minimize the loss to save energy and protect environment. Small, light, and the compact. A hand held mini fan for cooling. 18650 international standard high-capacity battery provides long life and strong power output. Blows smoke and smells away. Great for traveling in hot weather.