The perfect solution i found for your ear bud cords problem is POP from Blue Lounge
Whether you use an iPod or other MP3 player, you are certainly already far too familiar with the trouble of ear bud cords knotting up every single time you want to use them. That’s exactly why we created POP, an easy to use cord winder. It simply suctions onto the back of your iPod to let you wrap and protect your cords. It’s that simple and safe. No more frustrating tangles or knots!
Designed for all situations… However you carry your iPod, the POP adapts. If you already use a protective case for your iPod and cannot suction POP directly, you still have two possibilities; adhere the provided gloss plate to your case to create a smooth surface onto which to suction the POP or you can use the belt clip (included in package) and suction POP; the cord winder is then independent of your iPod.
The POP belt clip also snaps on to your armband, your bag strap, belt or even simply directly onto your iPod case.
POP grips to the iPod with a very strong suction bond. Even though the Nano and iPhone have slightly textured surfaces, we include a transparent sticker to create a smooth surface for improving the POP grip.
Once coiled, the ear buds are held in place by snap fitting to the top or bottom of POP.