Features: 100% brand new and high quality Useful and fashionable! Suitable for any kinds of Shoes, including running shoes, boots and skate. Awesome and Eyes-catching! Great for the parties, night jogging, safety and all kinds of night time  Specifications: Material: LED + High articulation plastic fiber. Powered by: CR-2032 Battery (Includes) Colors: Blue, Pink, Green, Yellow, White Lemgth: Approx 80 cm/31.5in Net Weight: 33g 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 Push the white button in turn to control the lights: on/flash/strobe/off  Package includes: 1 * Pair Of Shoelaces 2 * CR-2032 Battery