... stick 1)6 different colorful modes 2)Music activated function 3)Brand promotion at night ... function for Foam light stick.Like cheering, Sound maker,Sound activation,Patent in China.How amazing it is ... ,Green strobe.Another new button for Sound activated or music motion.Operated by 3 AG13 batteries(included). Customers' ... concert, night clubs,parties,sporting,fundraisers etc. Music Motion Light Stick