... flashing modes: 1. flash quickly, 2. flash slow, 3. keep on.3.One pair LED shoelace can keep light about 60 hours even ... by different flashing way.4.the visible distance:the led light can visible up to 1000 feet in the dark.5 ... : Multi-Colorful,Red, orange, yellow, green, blue 3 Flashing Modes,Light up led shoelaces 2012