Description:1. Remove the insulated film of the battery before using.2. Please note that the battery is not waterproof, remove it before cleaning your shoelace.3. There is a switch on the control box. Press the switch once for constant on, twice for fast flashing, three times for slow flashing and four times for off. almost any shoe with laces, such as table shoes, roller skates, etc. rollers, sneakers, etc. Perfect for dancing, hip-pop, skating, night, party, concert, etc. Details:LED light color: Blue, Green, Pink , Red, Yellow, Pink Red, Light Blue, Multicolor.Flash models: long light / fast flash / slow flashBatteries: 2 CR2032 button cells each string (included) br />Material: Nylon + LED stripLength: approx. 120cmControl box size: approx. 3cmx2.4cmPackage includes:1 pair of LED shoelaces Note:We have tried our best to show you the real color. But due to the difference between different monitors, there will be a little color difference. Your kind understanding will be appreciated.