Item Description:in bulk packaging1, Condition: 100% brand new, in bulk package2, 4GB Memory Stick PRO Duo3, Available Capacity: Approx 3.76GB4, Transfer Speed 160Mbps (20MB/sec) in Parallel Transfer (Theoretical maximum speed) 5, Minimum Write Speed 15Mbps6, Interface: 10-pin Serial Memory Stick Interface and 4-pin Parallel7, Includes adapter for use with Memory Stick PRO compatible devices.8, Do not support magic gate Compatibility:Sony PSP (all of the versions)Most Sony Cyber-shot digital camerasMost Sony Handycam camcordersSome Sony Mobile phonesAnd any other products compatible with the standard Memory Stick PRO Duo mediaYou can also use it in products compatible with standard Memory Stick PRO media (using supplied adaptor) Package includes:1 x 4GB Memory Stick Pro Duo     1 x Card Adaptor MSAC-M2