Features:

1. LED light source + high light transmission optical fiber, certified by CE ROHS

2. Withstand tension: 3KG

3. Battery: Each shoelace use a CR2032 coin cell battery. Under the long bright circumstances continuous discharge 30 hours, flashing or intermittent discharge is 60-80 hours, normal use 2-3 months, you can replace the battery yourself.

4. Instructions: After lacing the shoelaces, shoelaces ends through the hole lock and insert into lighting hole, then rotate to LOCK. Press the middle button, press once long bright, twice quick flash , three times to slow flash, four times that close.

6. Waterproof

7. Weight: 65g/pair

8.Package: 1 pair shoelaces in PP bag