Come and see our amazing products. Don't be alarmed by this simple way to get your brand out there!7 blade and adjustable wind speed, Compared with the 7 blade fan, there are 7 blades to provide you with greater wind power. Similarly, you can adjust the appropriate wind speed by pressing the power button,there are 3 kinds of wind speed, low,medium, high, Long life and USB rechargeable, This neck-mounted fan has a built in 2000mAh rechargeable lithium battery. Pls confirm with us about the packing info, stock color and exact production time before placing your order.