... .4 in., 1.0 cm. promotion bracelet,led bracelet,Flashing braceletFunction: it with on/off switch, When slide the switch, it will ... stay light for single light, and it will flashing and change 3 colors for rainbow color light. When slide it again,it ... : single color in red, blue,jade ; rainbow color (with 3 different LEDs, blue/red/jade ) it flashing fastDiameter: 3.25 in., 8.25 ...