NetDirectBargains via Buy.com has these Maximo Noise Isolating Earphones for $12.99 with free budget shipping, the lowest price we could find by $9. They passively block outside noise to let you listen to your music at safer levels. They are designed to be a companion with the iPhone, but they work with other mobile devices and mp3 players as well. They come with 3 tips for more comfort as well as a lifetime warranty. Most states charge tax.