These are cool glasses?Don't fold ,Comfortable to wear,Neon glasses With control buttons on both sides, You put a battery on either side of your sunglasses , Light Glasses act independently. You can have left/right sides Glasses Light up, 4 Modes flashing :namely monochrome , slow flash, fast flash and Red Green Blue gradient?7 Colors:White Blue Green Red Blue Pink Yellow or get them to the same setting for a consistent look, Each Neon Sunglasses can display seven colors?White led glasses?Blue led glasses?Green led glasses?Red led glasses?Blue led glasses?Pink led glasses?Yellow led glasses?switching between colors and light modes is a breeze.