led light shoelace with battery 1,three flashing models 2,battery included 3,OEM,ODM are welcome 4, ... 8*800mm2,color:blue,red,yellow,green,orange,etc3,Battery:2CR203 2 button batteries4,switch:constant shining+fast ... material1.high optical glass fiber2.battery:CR2032 button lithium battery each shoes lace have 1 battery last 30-80 hoursLight way1 ... problem.Thank you. led light shoelace with battery