... pairs 5.CE & ROHS led party shoes and matching bags 1. Light principle:LED fiber optic light shoelace ... 60-80 hours3. Market:LED fiber optic light shoe, is a principle of using optical fiber manufactured ... a large space.4. Quality:LED fiber optic light shoe, is optical fiber, and better quality than the EL ... with the EL cold light:LED fiber optic light shoe, is optical fiber, the quality is better ...