Sandisk 2GB Memory Stick Micro Card (M2) Sandisk 2GB Memory Stick Micro Card ( M2 ) Includes Memory Stick PRO Duo adapter for universal compatibility with M2 slots and Memory Stick PRO Duo slots Dual voltage operation; 1.8v for new Sony Ericsson mobile phones, 3.3v for Memory Stick PRO Duo compatible device Sony MagicgateTM encryption technology support