Product: 4 GB Sony PRO DUO (Mark 2) Memory Stick for PSP
Brand: Sony
4 GB Sony PRO DUO (Mark 2) Memory Stick for PSP
4 GB storage capacity with 3.66 GB available
Minimum write speeds of 15 Mbps on Memory Stick(R) PRO Duo enabled devices optimized with 4-pin parallel interface
Increased operating temperature range of -13° F to 185° F for greater durability
Adapter not included
Compatible Systems: PSP 1000 system, PSP 2000 system, PSP 3000 system

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