To activate LED Tube Necklace Blue, press button on battery house for 3 light functions: Chasing Lights, All Lights Flashing, Rotating Flash. LED Color: Blue Necklace Length: 30.25″ Comes ready to use with 3 replaceable AG13 Batteries.

Try our other tube necklace:

Mardi Gras Tube Necklace
Pink Fiber Optic Tube Necklace
Red Fiber Optic Tube Necklace
Blue Fiber Optic Tube Necklace
Green Fiber Optic Tube Necklace

Add some batteries too! AG13 Batteries