SKMEI Light up Glasses with El Wire -3 Light up Modes Make You Stand Out in a Crowd High quality: our glasses made of high quality black frame and el wire Battery pack: our battery pack uses 2AA batteries, you can be put inside your pocket or clip it to you belt 3 modes: steady light, slow flash and fast flash make you stand out in dark Comfort: wear comfort is not affected by light Uses: Definitely recommend these for any sort of nightime parties/events