Multifunctional Small Folding Fan:The latest hanging neck fan comes with a Cell Phone Stand function, which can realize the function of putting the mobile phone on it while blowing the cool wind It can also be used as a mini power bank to charge mobile phones. USB Rechargeable Personal Fan with Built-in 3000mAh battery ,this small fan runs on 5V DC, convenient to charge via a computer, laptop, mobile power, USB charger, mobile phone adapter, car charger, etc. with the included USB Cable. After 2 Hours Charging, you can use about 12 hours at low speed mode. Hands Free Mini Fan :The neck fan come with adjustable safety lanyard, just hang the necklace fan around your neck and enjoy the cool breeze. It won't swing back and forth to hurt your neck while walking. Easy to take it everywhere, Say goodbye to hot flashes, sweating, and flushing. 3 Speed with Adjustable 180 :Rotation Low, Medium, and High with one button to control is available for you to adjust the wind to the most comfortable feeling while hanging on neck. Also, this fold-able fan can be adjusted up and down by 180 degrees. It is suitable for various scenarios, such as office, sleeping, going out, etc. Perfect Folding Fan for Travel:This USB fan can be fold to mini body, easy for carrying, takes up very little space, convenient to carry it in any scene. Just fold it on the back, then you can watch the downloaded movies and enjoy the cool wind. Owing it, your life will be more easier & portable.