... 3.colour:red ,yellow ,blue,and etc led shoelaces, led flashing shoelaces,hot sellingshoelaces, lighting shoelacesMaterial : TPU,ABS,LED,PETSize ... red-blue rainbown colour, seved colour mixedFlashing Mode-Static light, fast flashing,slow flashingProduct packing:-Plastic card+packing cardLOGO-OEM is ... for each piecesBattery life- 30 hours for static lighting ,flashing for 60-80 hours ,can last for 2-3 ...