This 2-in-1 hand fan can work as a power bank in an emergency, It comes with a 1800mAh rechargeable battery and 5V/1A usb output port, so you can charge your phone, laptop, MP3 or other things with it in a pinch. The mini portable fan is super compact, lightweight and portable.It's a handheld fan when it is unfolded 180, and a desktop fan when it is unfolded 90 or 270. It can be fully charged within 2.5 hours and used when you are working, walking or travel outdoor. Perfect for stroller, crib, car seat, desk, gym, camping, cycling or anywhere else you'd need extra wind; Small size allows you to pack the personal fan with you when travelling.
