Portable Multipurpose DesignThis simple and compact design makes the headphone fan easy to carry and store, don't worry about the stuffy heat caused by power outages in summer. The mini usb fan is perfect for outdoor sports, indoor workouts, offices and gyms. USB Rechargeable Small FanHands-free personal fan with built-in 2000mAh high-capacity battery, it can work for 3-7 hours after fully charged. You can enjoy long hours of cool breeze with the portable fan. USB charging port, suitable for computers, laptops, power banks, USB chargers, mobile phone adapters, car chargers, etc. Face 360 Degree Rotating Head FanThe 360 degree rotatable fan head can adjust the best speed and wind force according to your needs. 3 Adjustable Speed Neck Fans with 7 Fan BladesThe portable USB fan has 3 cooling modes: low, medium and high; it is enough to meet your various cooling needs. Convenient ChargingThe personal cooling fan is compatible with USB output devices and comes with a standard USB charging cable, which can be charged by output adapters, USB chargers, laptops, computers, power bank car chargers and other devices. Don't worry about the battery anymore. Power outages in hot summer! PackageYou will receive a neck cooling fan, USB cable and user guide. It's a perfect gift for friends, lovers, girls, women, mothers, fathers, keep you cool and comfortable in hot summer days.