... 1.Size:82cm*0.28cm 2.Weight:65g/P 3.Material:TPU,ABS,LED Discount LED Shoelaces SL-601 ... them into the LED side holes of the controller.3.Twist the lcks th lock the laces into place. ... up 30 Hrs, Flash 60-80Hrs, can use 2-3 Month, can easy change battery by yourself Working Voltage 160-180V ... Double-sided color Blister card (Size: 21.5× 16× 3.5cm) Carton size 55X27X28cm, 100 pair per carton LED shoelace ...