The #Sony #PSP (Playstation Portable) put portability into Sony's gaming lineup

History, Tech Specs and Images of the Sony PSP. The PlayStation Portable is the first handheld video game console to use an optical disc format, Universal Media Disc (UMD), as its primary storage medium. It has a large viewing screen, robust multi-media capabilities, and connectivity with the PlayStation 2, PlayStation 3, other PSPs, and the Internet.

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PlayStation Portable - Wikipedia

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U.S. release date set for PlayStation Portable

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Sony PlayStation Portable Core (PSP 1000) - (Renewed) : Video Games, playstation portable

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Sony PSP rumors: did Sony just hint at a 5G PlayStation Portable?

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PlayStation Portable - Wikipedia

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Restored Sony PlayStation Portable Core PSP 1000 Black Handheld PSP-1001 (Refurbished)

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Sony PSP review