Description:1. Intimate Design& Hands-Free: The hands-free design of the portable neck fan can free your hands. Just hang the fan around your neck to relieve the heat of summer. the fan is lightweight volume, comfortable neckband design won't cause a lot of burden on your neck when worn for a long time.2. Three Modes: Personal fan features more powerful airflow than other three-blade fans. There are low,medium and high wind speeds to choose from, designed to let you choose the wind speed that suits. Upgrade the motor, work at low decibels, bring you cooler wind instead of more noise.3. USB Rechargeable: The neck fans has a built-in lithium battery,which can be quickly charged through USB, and can work for 4~8 hours after a full charge, allowing.