Memory Stick PRO Duo is half the size of a standard size Memory Stick PRO media, with built-in MagiGate copyright protection software and high storage capacities. The Memory Stick PRO Duo is the ideal solution for PSP (Playstation Portable), digital stills cameras and mobile phones. Stores approx 1500 standard 5 megapixel images. Free file recovery software. Please ensure that your hardware device is Memory Stick PRO Duo compatible before purchase.