A fantastic flashing accessory the led tube bracelet contains red green and blue leds which flash within the white tube for a really funky effect perfect for parties and discos or even as a fun way to make sure that youre seen at nightr r led tube braceletflashing strobing effectmulticoloured red green and blue leds55cm inner diameter flexible size means that one size fits mostonoff operationsuitable for 3yrs batteries included and ready to go