The 512MB Memory Stick Micro (M2) is designed to meet the growing storage needs of multi-functional mobile phones. Transfer contact information and E-mail attachments as well as multimedia files and documents between your PC and mobile phone. Minimum write speeds of 15 Mbps on Memory Stick Micro enabled devices optimized with 4-pin parallel interfaces. Backwards compatible with devices that use Memory Stick PRO media. Designed especially for portable audio devices and compact digital photography