Everyone's eyes will be drawn to this ultra-bright pulsating radiation symbol on your chest like flies to a biohazard. Using sound activated equalizer technology, this symbol will bounce to the beat of the music or your voice!

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 and comes in adult sizes Small through XXL. (XXL has a $3 size surcharge.) The sewn-on design itself is about 5" square.