USB Charging Electric Portable Hanging Mini Neck Fan Rechargeable Student Bladeless Mini Sports Fan Features: [Portable Hands Free Neck Fan] The upgraded fan is more convenient to carry and put in a small bag. It is designed as a headphone thus you can hang the fan around your neck to free your hands. In hot summer, the mini neck-hanging fan is your best companion. You can free your hands when exercising, cooking, doing housework and traveling, and enjoy the coolness anytime and anywhere. [1200mAh Large Capacity USB Rechargeable Fan] Built-in USB rechargeable 1200mAh lithium ion battery, the portable neck fan takes about 4 hours to fully charge. The operating time about is 3-6 hours, which depends on the wind speed you choose. [LED Digital Display & 5 Adjustable Wind Speeds] This electric neck fan is designed with an intelligent LED digital display, real-time display of electric fan gear, easy to grasp the wind state. Apart from this, it also has 5 adjustable wind speeds.