The PlayStation Portable (PSP) is a handheld game console developed and marketed by Sony Computer Entertainment. It was first released in Japan on December 12, 2004, in North America on March 24, 2005, and in PAL regions on September 1, 2005, and is the first handheld installment in the PlayStation line of consoles. As a seventh generation console, the PSP competed with the Nintendo DS.
PlayStation Portable
A PSP-1000: the shoulder buttons are on top, the directional pad on the left with the analog "nub" directly below it, the PlayStation face buttons on the right and a row of secondary buttons below the screen.
Two different battery size standards
Memory Stick PRO Duo Slot on a Crisis Core: Final Fantasy VII edition PSP Slim
A handheld game console, or simply handheld console, is a small, portable self-contained video game console with a built-in screen, game controls and speakers. Handheld game consoles are smaller than home video game consoles and contain the console, screen, speakers, and controls in one unit, allowing players to carry them and play them at any time or place.
A Nintendo DS Lite, the best-selling handheld console of all time and second overall
Game & Watch Ball
The original Game Boy
TurboExpress handheld