【Specification】 The shoelace is 120cm long (125cm long), and the box is 3cm * 2.4cm long 【Color】 Red, yellow, blue, green, orange, white, pink, colorful, colorful 【Material】 PP webbing+PVC machine box+LED light guide belt+2 * CR2032 button battery 【Mode】 First gear long light, second gear fast flash, third gear slow flash, fourth gear off 【Battery】 Each shoelace uses two CR2032 button batteries, four for each pair. Continuous discharge for 30 hours under long light condition, flicker or intermittent discharge for 60-80 hours Specifications: 1.【LED highlight】 It adopts bright lamp beads, which are colorful, reliable and durable, and can be used for many times 2.【Three gear mode】 The first gear is always on, the second gear is fast flashing, the third gear is slow flashing, and the switch is optional 3.【Wide applicability】 It is very suitable for many scenes, such as skating activities, outdoor activities, night running, large-scale festivals and evenings, concerts, and dance halls. It is an activity artifact that can make you radiant and definitely promote the atmosphere Package Included: 1 pair of shoelaces (with 2 CR2032 button batteries)