I bought a key USB2.0Bluestork afindepouvoir read all kinds of SD / MMC / RS / MMC.TRès practice to always have in your bag wherever you are simply insert the card and slide in USB support for small visionner.Toute, it does not take place, is very light and pretty design.Je recommends the super purchase and a really great price mini, mini, mini.BlueStork - Cle USB2.0 card reader SD / MMC / RS / MMC