Sandisk 2GB Memory Stick Micro (M2) (SDMSM2-2048, BULK) Sony MagicgateTM encryption technology support Dual voltage operation; 1.8v for new Sony Ericsson mobile phones, 3.3v for Memory Stick PRO Duo compatible device Controlled ejection design allows for easier removal Sandisk Bulk Package (SDMSM2-2048, Bulk) (No Adapter)