Product Details  memory card for sony -hg duo--Memory Pro Duo 8GB for PSP memory stick for PSP  Memory card for Sony memory stick pro -hg duo Sony's 8GB Memory Stick PRO Duo is half the size of a standard Memory Stick PRO memory card (now discontinued) and it offers the same technologies including high speed data transfer, built-in MagicGate, and high capacities.  Itme Description  Product DescriptionSony's 8GB Memory Stick PRO Duo is half the size of a standard Memory Stick PRO memory card (now discontinued) and it offers the same technologies including high speed data transfer, built-in MagicGate, and high capacities.  The Sony Memory Stick PRO Duo 8GB is the ideal solution for the most portable devices such as pocket size digital cameras (including Sony) and with the use of Adapter, it can be used in all PRO compatible devices Sony Memory Stick PRO Duo can be used in digital cameras, mobile phones, PDA's and gaming consoles such as the Sony PSP (Playstation Portable) and other devices that feature a Memory stick PRO or PRO Duo slot. Main Feature:1)Included Memory Adapter: Memory Stick Duo adapter 2)Memory Stick(TM) interface: (serial / parallel)  3)Average operating current: max 65 mA (serial transfer); max 100 mA (parallel transfer)  4)Standby current: max 1.5 mA  5) Maximum parallel transfer speed: 160 Mbps (20 MB / sec)  6) Minimum write speed: 15 Mbps (when combined with optimised Memory Stick PRO(TM)-compatible devices)  7) Environmental temperature: -25c to 85o non-condensing  8) Compatible only with new Memory Stick PRO(TM) devices  9) Laptops, Palmtops, MP3 Players. 10)Operating temperature range of -13° F to 185° F allows greater durability  11)Backwards compatible with devices that use Memory Stick PRO Duo media  12)Designed especially for Sony PSP, Portable Audio Devices and Compact Digital Photography SpecificationsProduct Description: Sony flash memory card - 8GB - MS PRO DUO Product Type: Flash memory card Storage Capacity: 8GB Form Factor: Memory Stick PRO Duo Supply Voltage: 2.7 - 3.6 V Boxed-product Weight: 454 g