1. Flashing EL 2. Harmless.attractive 3. Sample fast 4. Delivery fast. 5. MOQ:200pcs. SpecificationProduct Name:EL T-shirtT- ... usualEffect Reactive to music or sound Driver Battery : 2 AAA ,3 AAA ,4 AAA Packing Packing Quantity:OPP bags/ pcs 50 pcs/carton ,Measurement ...