Multicolor Happy Birthday Hair band.
To activate your Fiber Optic Happy Birthday Headband, press the switch located at the top of the headband.
LED change color in the fiber optic boppers;
2 light function.
NOTE: Due to packaging that will help save you money on shipping, headbands require easy assembly. Fiber Optics arrive separate, so just plug them into the 2 spots provided on the headband.