These small USB adapters makes it possible to use any SNES or SFC controllers on your PC (Windows, Mac OS X, Linux), Raspberry Pi or MiSTer. The adapters feature a native 1ms/1000Hz polling rate so input lag is minimal. Use all your favourite joypads and controllers such as the SNES Super Advantage. Features and Specifications:Supports up to 2 controllersPowered by an ATMEL Mega microcontrollerFast response times, averages less than 1ms lagSupports most controllers that work on Super Nintendo or Super Famicom ConsolesCompatible with:WindowsMac OS XLinuxMost Raspberry Pi DistrosMiSTer