The Heartbeat Sound Equalizer EL Shirt is a variation on the popular sound-reactive equalizer tees is for those with bright, happy, big hearts! Give this one to the one you love or let everyone know your loving nature. This is a light-up graphic equalizer that is sewn right onto the shirt and actually will bounce up and down to music or other sound sources. The super-thin flexible EQ design feels somewhat like a thick iron-on transfer.
Each 100% cotton t-shirt has a hidden sewn-in pocket for the small control unit. Features a variable sensitivity dial to customize the level of reactivity to sound volume. Uses 4 replaceable AAA batteries. The shirt is hand-washable (just remove the cables & driver) and comes in adult sizes Small through XXL. (XXL has a $3 size surcharge.) The sewn-on design itself is about 6" wide by 4" high.