As the games players increases, the tech of games equipments greatly enhanced. I think in Japan this tech is most advanced, and the PSP is a new product developed by Sony. PSP, simply speaking, a multi-function portable machine for playing games.
Some main models are popular during its times, such as the PSP1000. It was put on sale on December 12th, 2004. The ratio of its screen is 16 to 9, and the displaying of monitor is smooth very much. Adopting the PCM sound source and 3D stereo surround, the gamut becomes broad and timber is better.
This product occupies a dominant position and has the reasonable ratio of performance and price. The improved edition of PSP called PSP2000 issued in 2007, it was with a smaller and thinner body. The weight now is 189grams(the former weight was 280 grams). The memory was added to 64MB. The time for disk reading was largely cut down. It could be charged up through the USB plug’ linkage with computer.
The PSP3000 is hastily put on sale on October, 2008. It has a little difference from PSP2000. The PSP 2000 accessories is not the old fashioned. It is easily found online. On PSP3000’s left, there is a built-in microphone. The sign key “Home” was changed into “Playstation” in the PSP3000 accessories.
We should be careful when we buy a new product. The laser lens for PSP is a key spare part. It needs necessary maintenance. We would see something about Wii and laser lens for Wii Later.
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