1. Mode: first gear long on, second gear flashing fast, third gear slow flashing, fourth gear off2. Battery: 2pcs CR2032 button battery for each shoelace, 4pcs per pair.3. Material: PP webbing + LED light belt + ABS box4. The battery can be used for about 20-30 hours, and the battery can be replaced by itself5. Suitable for: ice skating, outdoor sports, night running, large-scale festivals, concerts, promotions, cheers, holiday promotions, birthday gifts, etc.!6. In order to touch or squeeze it inadvertently, it will lead to power consumption. Insert an insulating sheet to isolate the conduction between the battery and the switch.7. Note: It s not the whole shoelace that glows, it s the imitation nylon shoelace with an LED light source embedded in the middle, so it s the place where there are LED lights on the shoelace, and there are 10 LED lights on a shoelace, so it is 10 highlights.8. Weight: about 40g/pair9. Specifications: the total length of the shoelace is 110cm

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