The new SanDisk Gaming Memory Card line turns a handheld game device into a fully loaded multimedia entertainment unit. The Memory Stick PRO Duo is compatible with Sony's PSP (Playstation Portable). For maximum performance and to get the most out ofall the advanced features on the device, you'll need a SanDisk Game Card. With SanDisk, you will be able to save your game levels, listen to digital music, play your favorite video, and download and store game cheat codes, characters and game skins. San isk game cards maximize your world of entertainment. SanDisk game cards utilize exclusive MLC memory and controller technology developed at SanDisk, meets all MS specifications, and is guaranteed compatible.