Men Women USB Charging 7 Colors LED Light Shoes Fashion Flashing Luminous Sneakers Comfortable cotton Good quality Knit Fabric TPR sole Colorful and safe. Also Easy notice: Gift: LED shoelace Also Easy notice: Size Tips:We suggest you check our detailed size measurements in the 'Product Description' part Also Easy notice: Switch Instruction: Hidden switch button, 1"beside the usb outlet.Press it to switch on.It starts with steady red light.With each press,it changes to another light mode.Press the switch for 14 times to turn the light off,or keeping pressing the switch for seconds to turn off the light.