... :2.8*800mm2,color:blue,red,yellow,green,orange,etc3,Battery:2CR203 2 button batteries4,switch:constant shining+fast flashing+slow ... colors)material1.high optical glass fiber2.battery:CR2032 button lithium battery each shoes lace have 1 battery last 30-80 hoursLight way1.keep ... /T, western unionPackaging and handingWe offer ship good with TNT, UPS, FEDEXS, DHL, and EMS, pls choose the courier when you ...