Key Features of the PlayStation Portable (PSP)

Hardware

• Display: 4.3″ LCD, 480×272 pixels.
• CPU: MIPS R4000-based @ 333 MHz (original 1000 model).
• RAM: 32 MB (1000) / 64 MB (2000/3000/Go) system + 4 MB eDRAM.
• Storage: Memory Stick PRO Duo slot (expandable).
• Media: UMD (Universal Media Disc) for games/movies (except PSP Go).
• Connectivity: Wi-Fi 802.11b, USB 2.0, headphone jack, built-in mic (2000+).
• Controls: Analog nub, D-pad, face buttons (△○×□), shoulder triggers (L/R), Home/Start/Select.
• Battery: Removable Li-ion (1200–1800 mAh depending on model).

Software & Features

• OS: Proprietary PSP System Software (up to 6.61).
• PlayStation Store: Digital games, DLC, demos, videos (via PC/PS3/PSP direct).
• Media Playback: MP4/AVC video, MP3/ATRAC/AAC audio, JPEG/PNG photos.
• Web Browser: NetFront-based; limited modern web support.
• Remote Play: Stream select PS3 games; PS4/PS5 not supported.
• Ad-hoc Multiplayer: Local wireless for multiplayer without internet.

Notable Models

• PSP-1000: Original, heavier, IR port.
• PSP-2000/3000: Slimmer, video-out (component/composite), improved screen (3000).
• PSP Go: Slide design, 16 GB internal flash, no UMD drive, Bluetooth.
• PSP Street (E1000): Budget model, no Wi-Fi, mono speaker.

The PSP was discontinued in 2014 but retains a strong homebrew/emulation community.