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 wont swing back and forth to hurt your neck while walking. Easy to take it everywhere, Say goodbye to hot flashes, sweating, and flushing.^USB Rechargeable Personal Fanwith 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.^3 Speed with Adjustable 180 RotationLow, 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.^Compact and Portablesized at only 162*80*17mm,the portable personal fan can easily be put into your bag, hold it in your hand or Hanging on your neck to get cool when waiting in line, doing sporting, reading and travelling, A perfect Gift for summer.^Ultra-Quiet for Multiple OccasionsThe Mini USB fan delivers high airflow while keeping quiet. Great to also be a desk fan when you work in office, study in classroom, relax at home and etc. In mini size, the personal fan could be easily held in hand, ideal for travelling, hiking, climbing, camping, exercising and etc.