DERMEIDA ™ GlowPRO LED Shoelaces - Santa Claus favorite Stocking Stuffer, this Glow in the Dark Christmas Gift is Cool Fun for Kids, Party and Cosplay. Flashing Lights give Night Safety for Running Biking Shoe Lace(Red Set of 2)

How to Use: Install 1x CR2032 button cell battery into each control box Lace up your shoes with these 2 shoelaces Insert the top of each lace into the 2 holes of the control box, switch the lock to "lock" mode Push the white button in turn to control the lights: on/flash/strobe/off Specifications: Light source: LED Power: 2 * CR2032 button battery (included). Modes: Long light/fast flash/slow flash Shoelace material: Glass fiber Control box material: ABS Length: Approx. 80cm 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.