Detailed Product Description EL cap ,EL flashing cap EL cap ,EL music cap ,EL flashing capFlashing wayEL panel moving by sound ,lounder ,flashing higher or moving automaticBattery 1pcs CR2032Cap color Black ,red ,yellow ,pink ,white and so on cap quality 100% cotton ,180gEL panel size Usually 5*6cmWarning Flashing ,warining when walking at night ,and shinning at night Wash Take off EL panel ,then ...