material: plastic
Process: semi-manual semi-mechanical
Product props type: shiny laces

SIZE：800*2.8mm

Fiber-optic lighting shoelaces: super bright LED, high-through fiber-optic light guide.

Blinking mode: long bright - fast flash - slow flash

Luminous time: continuous discharge in the case of long light is: 30 hours, flashing or intermittent discharge is: 60-80 hours Normal use for 2-3 months; the battery can be replaced by itself, sold in convenience stores or supermarkets, and passed CE ROHS certification.