Come and see our amazing products. The mini fan is designed with both USB and micro USB ports to support use of cell phones, pads, power banks and devices with USB ports. Pull out the hidden micro USB and you can run the fan with your cell phone. Push the micro USB in and you can run the fan with power banks or plugs. With blades made of soft plastic, it will not hurt your hand or finger if you touching the revolving blades.You will enjoy the cooling in hot summer Pls confirm with us about the packing info, stock color and exact production time before placing your order