... 800mm2,color:blue,red,yellow,green,orange,etc3,Battery:2CR203 2 button batteries4,switch:constant shining+fast flashing+slow flashing+shut ... : NameLED shoe lace,Flashing LED laceMOQ100 pairs(mixed color)size800*2.8mmcolorRed orange ,yellow ,green ,blue, pinkMix color red orange ... 9 colors)material1.high optical glass fiber2.battery:CR2032 button lithium battery each shoes lace have 1 battery last 30 ...