DESC: SanDisk's Memory Stick PRO is the perfect solution for anyone who needs to capture and play back DVD-quality video in real time, or store CD-quality music, high-resolution digital images or any other application that requires high performance, fast data transfer, large capacities and advanced security. The fast transfer rates help prevent data loss when power is suddenly cut off or the media is removed accidentally. It boasts advanced security with Access Control Function and MagicGate technology. This 4GB stick is compatible with Memory Stick PRO enabled devices.