ONE LED FLASHING LIGHT EQULIZER PUERTO RICO FLAG 8X5 . ONE 21 INCH CABLE WITH SENSOR Features are an oN/off switch and sensitivity scroll (USE TWO AAA BATTERYS). TWO STICKY BACK VELCRO TAP FOR YOU TO PUT ON ANY SHIRTS YOU WANT . IT WILL FLASH THE EQUALIZER BAR UP AND DOWN WHEN THERE IS MUSIC OR SOUND . AAA BATTERY ARE NOT INCLUDED