Market leading Sony Computer Entertainment America's first foray into the portable market, PSP allows for the viewing of movies, digital photo display and supports digital music playback in both MP3 and ATRAC formats. With gaming at the product's core, PSP features graphics rendering capabilities comparable to the leading in-home console, PS2, bringing an unmatched gaming experience to a portable platform, allowing users to play 3D games, with full-motion video, and high-fidelity stereo audio. PSP also comes complete with built-in stereo speakers, exterior headphone connector and input/output connectors such as USB 2.0, and 802.11b (Wi-Fi) wireless LAN, enabling users to connect to the Internet and play online via a wireless network. Up to 16 PSP systems in the vicinity can also be connected to each other directly, allowing for wireless head-to-head competition. In addition, wireless capabilities allow software and data to be downloaded to a PSP and saved onto a Memory Stick Duo.