Portable Handheld Micro USB Rechargeable Mini Fan small and light design means it can be used as a desktop fan or handheld fan. The fan comes with a hanging notch for hooking, a creative style, good build quality, and a mesh chassis which is safe to use.  The fan can either be powered by USB directly or the battery provided. Feel free to turn up or down air current with the high speed technology. Efficient power and conversion circuitry minimizes power loss to save energy and costs. Small, light, and the compact design ideal for both indoor and outdoor scenarios. High-capacity battery provides long life and strong power output. Great for traveling in hot weather. This fan will ensure your space is cool and properly aerated all day, everyday.