To enhance the processing speed of your camera use Sony Memory Stick Pro DUO 2GB. This memory card can also be used in smart phones compatible with Pro DUO. With 2 GB storage space, you can enjoy approximately 500 songs and 1000 pictures clicked with 5 megapixel camera. The pro DUO is high in performance memory card. It brandishes a writing speed of 4 MB/s. This memory is highly recommended to be used with PSP products and digital cameras.