Multicolor LED Fashion Bracelets are the hottest LED bracelets for party time! Light Up Bracelets are bright, super stylish & everyone will want one when they see you rockin' one on each wrist. Be the brightest star of the night when you wear Multicolor LED Fashion Bracelets. To activate your LED Bracelet, press the button. Its light function cycles through a couple different blinks, like a disco on your wrist! Small hands can slide the piece right on, plus can disconnect for larger hands, just look under the battery house. 3 AG3 batteries are included and replaceable. One size fits most.