led light shoelace with battery 1,three flashing models 2,battery included 3,OEM,ODM are welcome 4,factory price led lighting shoelace, ... colors)material1.high optical glass fiber2.battery:CR2032 button lithium battery each shoes lace have 1 battery last 30-80 hoursLight way1.keep ... light can last 30 hours 2. coruscate fast can last 60 hours 3. coruscate ...