Light up your theme event with our futuristic and sound-activated Blue El Wire Eyeglasses. Our black frame trendy Electroluminescent Wire eyeglasses feature a blue EL Wire accent that trims the frames of the eyeglasses and has an attached battery pack that comes with 2 AAA batteries included and installed. One size fits most. Our unique retro 80's light-up eyeglasses feature a steady on, slow flash, fast flash, and a sound-activated light setting. Click the button once for solid on Click button again for slow flash Click button again with wheel rolled down for fast flash Roll wheel up and glasses are now sound activated Click button again to turn glasses off