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 Devices * Controlled Ejection Design Allows For Easier Removal * Sony Magicgate Encryption Technology Support * Compatibility With All M2 Slotted Mobile Phones As Well As All Memory Stick Pro Duo Slotted Device