... by the existing program,others move to the beat of the sound,like the music from your stereo at ... .4.Switch on,and adjust the sensitivity controller on side of the battery pack to match the music well Normal ... is not water-proof,Do not submerge ANY part of the flash panelT-shirt with Velcro:1.Take a ... connectors2.Remove the inverter,cable and flash panel out of the T-shirt carefully,not to bend the EL ...