To activate your Flashing Tube Bracelet, flip the small black switch at end of tube, wrap it around your wrist & go! Lights have one cool function: "chasing lights" flash.
- Size: Roughly 3" to 3.75" Diameter is adustable, flexible & comfortable - one size fits most.
- LED Colors: Blue
- Batteries: 3 non-replaceable AG3 Batteries