### Green LED Retro Sunglasses Get down in our Green LED Retro Sunglasses. These unique light-up sunglasses feature three different light settings: fast flash, slow flash, and steady on. For an extra surprise, flick the switch to activate the sound-reactive mode, and watch the green LEDs dance to the beat of the music. Perfect for clubs and concerts, these sound-activated sunglasses are sure to be a hit. One size fits most. AG13 batteries are included and installed.