... 10,000 hoursBrightness:80-150cdPower supply:CR2032 batteryMaterial:TPU+ABS+LED+PETColor:red,yellow,green,blue,orangeProduct description1.It can be ... .It can be seen at the smog days.4.The led shoelaces high brightness and have chooseable color with soft lightFeatureThis ... new one below, the colorful casing can also light up: led battery flashing lights battery lights