PlayStation Portable Slim and Lite

PlayStation Portable Slim and Lite, a name used in the PAL territories to refer to the second generation of the PlayStation Portable handheld game console released and manufactured by Sony Computer Entertainment. The same model was called simply PlayStation Portable in Japan and North America. At E3 2007, Sony released information about a slimmer and lighter version of the PlayStation Portable. The new PSP is 33% lighter and 19% slimmer than the original PSP system. The model numbers have changed to PSP-2000, following the previous region-based numbering scheme (cf. the PSP-1000 numbering scheme of the "old" PSP model).

It was released on August 30, 2007 in Hong Kong, on September 5, 2007 in Europe, on September 6, 2007 in North America, September 7, 2007 in South Korea and September 12, 2007 in Australia. On January 8, 2008 builtin Skype Wifi Internet phone service was added via firmware updates.


Resource:
http://en.wikipedia.org/wiki/PlayStation_Portable_Slim_and_Lite