Come and see our amazing products. This wearable neckband USB Fan is available with Low, Medium, High speed levels to meet your needs. In addition, this cooling fan features with LED lights, it's very cool at night. Perfect for personal cooling, outdoor event. It features double heads design, and two fans can 360 degree flexible rotate, which allow you to adjust the best wind direction. 2000mAh lithium battery fan built-in rechargeable was powered by USB. 2.5-6 hours working time depends on different mode. Pls confirm with us about the packing info, stock color and exact production time before placing your order.