specification: 1) Capacity: 128MB - 2GB 2) Designed to support read and write speed of 80Mbps on high speed enabled devices 3) Backwards compatible with devices that use Memory Stick PRO Duo media 4) Including adapter allows compatibility with Memory Stick PRO media enabled devices 5) Designed especially for professional quality compact digital cameras and portable digital music devices 6) Excellent for PSP storage (movies, photos, music, and games)