SanDisk 8GB Memory Stick Micro (M2) Card, Model SDMSM2-008G-A11M. Manufacturer Part # SDMSM2-008G-A11MFeatures: Dual voltage operation; 1.8v for new Sony Ericsson mobile phones, 3.3v for Memory Stick PRO Duo compatible devices. Controlled ejection design allows for easier removal. Sony Magicgate encryption technology support.