el flashing cap 1.LED caps 2.led flashing cap 4.powered by 1*CR2032 battery 5.el panels are customized ITEM:led cap,led caps,led hat cap,led hats,led flashing capled cap1.LED caps2.led flashing cap4.powered by 1*CR2032 battery5.el panels are customized p Specification:1. el cap logo:will be caaording to customers request2. sensitive to sound ,the logo moves when it is activated by the sound 3. t- ...