If you don’t already know, it’s a light-up shirt with a built in graphic equalizer panel that is sound sensitive. As the music plays the shirts equalizer lights up to the beat of the music, making it great for nightclubs, festivals and parties. The 3D T-Qualizer is now improved with advanced design and technology. The panel on the front is a slim, bright, electro-luminescent graphic equaliser display panel with 3D effect, and it’s much thinner and brighter than previous t-shirts. The controller box is built with a wide spectrum sensor controller that can be adjusted to detect low level sounds or adjusted to work in noisy head banging clubs.The 3D T-Qualizer t-shirts are available in small, medium, large and extra-large sizes and the battery pack is detachable, so you can hand wash it after a wild night out.