Equalizer T-Qualizer Light Up LED Battery powered T Shirt... The Original concept, and still a high in Demand T Shirt, where the Flashing LED Animated Shirts all started from. The T-Qualizer Shirt has a Sound Activated Volume Controlled, Brightly Lit Graphic Equalizer pattern in Vibrant Colors that beat in Real Time To Real music. Always a Favorite, the Equalizer T-Shirt draws attention every where it's seen, People will be asking you, "Where the Heck did you get such a cool T-Shirt" - The Equalizer T-Qualizer Light Up LED Battery powered T Shirt comes in a growing variety of Equalizer Shapes and Patterns, each with a unique twist of its own for the distinct shape and color spread, Graphic Equalizer, Cube equalizer, Sun Glasses Equalizer, and More, each responds to the Volume and tune of the Music playing around you, and Beats in time to the sounds, adjustment controls on the shirt allow you to tone up or tone down the flashing response...