fashionable led pin flash badge promotion gifts 1.4 x 4 x 2cm size 2 ... Press button to activate fashionable led pin flash badge promotion gifts1.4 x 4 x 2cm size 2. ... white,red,blue,green,yellow,etc.8.Ideal for promotion and advertising Flashing badge is best for discoes, ... events,concerts,festivals.Long life batteries include,safety magnetic clip,light weight.- To activate,twist backing clockwise.To ...