Features:* EL Lit Glowing Equalizer animates to ambient noise or music.* EL panel lights up and dynamically changes depending on sound frequency. Especially ideal for night.* Unique pattern and decent design, intepret your punk/rock/hip hop/cool/neutral style.* Wearing this shirt, you'll be an outstanding star wherever you're: disco, party, stage, concert, etc.* Sound sensitivity adjustable.* 2 AAA Batteries Required.* Battery & Control Box fits in small interior pocket inside the shirt and * can be removed and replaced.* Comfortable to wear and easy to wash.Specifications:Size: S, M, L, XL and XXL (optional)Color: BlackMaterial: Mainly cotton, 32SEL panel pattern: 3 dancing personsPanel size: 20x14cmLED color: Multicolor (as shown in the pictures)Powered by: 2 x AAA batteries (batteries NOT included), or DC 6V power supplyNet weight: Approx. 245-280g (EL panel and battery & control box included)Package weight: Approx. 250-310gWash care information:Â <div>Remove all accessories (EL panel, battery and control box, and batteries) before wash;</div><div>Wash with like colors;</div><div>Machine wash cold;</div><div>Hand wash separately;</div><div>Do not bleach;</div><div>Do not iron on panels;</div><div>Do not dry clean;</div><div>Do not tumble dry;</div><div>Do not leave to soak.</div><div><br /></div><div><b>Package Included:</b></div><div><br /></div><div>1 x Sound Activated LED T-Shirt with EL Panel</div><div>1 x Battery & Control Box</div><div><br /></div><div>Size Chart for reference only:</div><div>Note: Error (1-3cm) may occur</div><div><br /></div><div><br /><img src=http://www.casesinthebox.com/images/shirt-size.jpg /></div>